Best Steel Drill out of top 24 in 2020

 

Irwin Tools 4935607 Titanium Coated High-Speed Steel Drill Bit Set Pro Case 15-Piece

Irwin Tools 4935607 Titanium Coated High-Speed Steel Drill Bit Set, Pro Case, 15-Piece

Irwin Tools 4935607 Titanium Coated High-Speed Steel Drill Bit Set, Pro Case, 15-Piece - Rubber over-molded case has automatic indexing for easy bit access and identification removable cartridges are easy to carry to and from worksite. 135-degree split-point tip starts drilling immediately with less force and eliminates “walking” across the work surface. Titanium nitride coating resists heat and friction, extending the cutting edge life up to 6 times that of other high-speed step drill bits. Made from premium high-speed steel for increased durability.

 

Neiko 10260B Pro Heavy-Duty 12 HSS M2 Steel Drill Bit Set 5 Piece Clear

Neiko 10260B Pro Heavy-Duty 12″ HSS M2 Steel Drill Bit Set (5 Piece), Clear

Neiko 10260B Pro Heavy-Duty 12″ HSS M2 Steel Drill Bit Set (5 Piece), Clear - Heavy-duty 5-piece 12-inch hss m2 steel drill bit set, black/gold finish. This drill bit is perfect for all purpose uses, drilling thru soft and hard materials. Aluminum carry case included. Hss m2 steel is one of the strongest material available for drill bits, surpassing coated titanium, carbide, or cobalt drill bits. Tri-flat shank except 1/8-inch (round). The bit is manufactured with long lasting hss m2 steel, heat-treated, and made to last. Extra length allows for deeper drilling and for harder to reach locations.

 

HSS COBALT DRILL BITS 932 WITH 10PCS PACK JOBBER LENGTH HSS CO TWIST DRILL BITS METAL STEEL DRILL BIT SET 135 DEG SPLIT POINT

HSS COBALT DRILL BITS 9/32″ WITH 10PCS PACK JOBBER LENGTH HSS CO TWIST DRILL BITS METAL STEEL DRILL BIT SET 135 DEG. SPLIT POINT

HSS COBALT DRILL BITS 9/32″ WITH 10PCS PACK JOBBER LENGTH HSS CO TWIST DRILL BITS METAL STEEL DRILL BIT SET 135 DEG. SPLIT POINT - ●M35 cobalt high speed steel for drilling steel, stainless steel, hard metal and iron. ●packed in a plastic bag with lables on bag. ●Ideal for drilling in tough metal, including heavy-duty abrasive alloy metal drilling on hardened steel. ●135-degree split-point tip starts drilling immediately with less force and eliminates “walking” across the work surface. ● Diameter 9/32″ flute length 2-15/16″ overall length 4-1/4″.

 

Drill America 1 Reduced Shank High Speed Steel Drill Bit with 12 Shank DWDRSD Series

Drill America 1″ Reduced Shank High Speed Steel Drill Bit with 1/2″ Shank, DWDRSD Series

Drill America 1″ Reduced Shank High Speed Steel Drill Bit with 1/2″ Shank, DWDRSD Series - Round shanks allow use with a wide variety of toolholding systems. When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging. High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge. Ideal for drilling in low and medium tensile strength materials.

 

Countersink Drill Bit 7 PCS Drill Bit Set with One Hex Key High-Speed Steel Drill Adjustable Carpentry Reamer Plated for Wood DIY 3-10mm

Countersink Drill Bit (7 PCS), Drill Bit Set with One Hex Key, High-Speed Steel Drill Adjustable Carpentry Reamer Plated for Wood DIY (3-10mm)

Countersink Drill Bit (7 PCS), Drill Bit Set with One Hex Key, High-Speed Steel Drill Adjustable Carpentry Reamer Plated for Wood DIY (3-10mm) - Extremely versatile, the countersink drill bit set is includes 1 piece of hex key and 7 pieces of countersink drill bit in 7 different sizes to satisfy all you demand. Unique design, three-pointed design can quickly and accurately drill a smooth hole five-edged chamfer design will fast discharge chips from the hole on both sides automatically. User-friendly design, use the hex key to remove five-bevel chamfer or adjust counter sleeve depth and drilling depth for screws of various lengths. Multipurpose, perfect for granite, tile, glass, quartize, ceramic, vitrified brick etc suitable for bench drill, hand drill and conventional electric drill. High quality material, the countersink drill bit is made of high carbon steel material with titanium nitrate coating high hardness, durable and offer superior cutting power.

 

AmazonBasics High Speed Steel Drill Bit Set - 21-Piece

AmazonBasics High Speed Steel Drill Bit Set – 21-Piece

AmazonBasics High Speed Steel Drill Bit Set – 21-Piece - Made of high-speed steel with black nitride finish and quenching treatment. Case included for easy storage and transport backed by an amazonbasics limited 1-year warranty. 21 drill bits for cutting through hard metal, like stainless steel, aluminum alloy, and titanium alloy. Precision grinding inclined blade helps ensure fast drilling, impressive cutting power, and excellent chip removal. Drill bits include 2x 1/16-inch, 2x 5/64-inch, 2x 3/32-inch, 7/64-inch, 1/8-inch, 9/64-inch, 5/32-inch, 11/64-inch, 3/16-inch, 13/64-inch, 7/32-inch, 15/64-inch, 1/4-inch, 17/64-inch, 9/32-inch, 5/16-inch, 11/32-inch, and 3/8-inch.

 

532-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal Stainless Steel Pack of 12

5/32-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal, Stainless Steel, Pack of 12

5/32-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal, Stainless Steel, Pack of 12 - Made from high-speed steel and 5% cobalt improve much higher heat resistance because of cobalt steel’s high red hardness, provide strong durable performance compared to typical hss drill bits. Application best used for drilling in hard metal, including stainless steel. Include 12 pieces of 5/32-inch cobalt drill bits with case. Can be repeatedly sharpened as needed cobalt drill bit’s hardness is uniform throughout the entire material, so that can be repeatedly sharpened without damaging the cutting edge allowing it to drill more than hss drill bits. Jobber length 5/32-inch cutting diameter, 2-inch flute length, 3-1/8-inch overall length, 135 degree split point, straight shank.

 

Drill Hulk 13-Piece M35 Cobalt Steel Drill Bit Set for Hard Metal Stainless Steel 116-Inch to 14-Inch Jobber Length 3-Flat Shank

Drill Hulk 13-Piece M35 Cobalt Steel Drill Bit Set for Hard Metal, Stainless Steel, 1/16-Inch to 1/4-Inch, Jobber Length, 3-Flat Shank

Drill Hulk 13-Piece M35 Cobalt Steel Drill Bit Set for Hard Metal, Stainless Steel, 1/16-Inch to 1/4-Inch, Jobber Length, 3-Flat Shank - Jobber length jobber length cobalt drill bit, 135 degree split point reduces drill walking, 3-flat shank provides a secrue grip in chucks. Application best used for drilling in hard metal, including stainless steel. Can be repeatedly sharpened as needed cobalt drill bit’s hardness is uniform throughout the entire material, so that can be repeatedly sharpened without damaging the cutting edge allowing it to drill more than hss drill bits. Made from high-speed steel and 5% cobalt improve much higher heat resistance because of cobalt steel’s high red hardness, provide strong durable performance compared to typical hss drill bits. Include 13 pieces cobalt drill bits in inch sizes 1/16″ to 1/4″ (1/64″ increments) with plastic case.

 

High Speed Steel Drill Bit for Professional Duty - 7 pcs German Steel product - with Metal Case

High Speed Steel Drill Bit for Professional Duty – 7 pcs German Steel product – with Metal Case

High Speed Steel Drill Bit for Professional Duty – 7 pcs German Steel product – with Metal Case - Made in europe made of m2 hss (with at least 5% tungsten) produced exclusively from three vendors erasteel (france) beulmann (germany) boehler international (austria) each drill bit is manually inspected by quality experts to ensure superior quality. Enhanced durability up to 25 times more durable than regular hss drill bit proffi’s set is the best choice for professional/ industrial use and advanced specialists. Universal perfect for drilling hardened steel, cast iron, carbon, alloys, cast iron, plastic and other materials drill bits sizes are carefully selected to meet the needs of the most demanding professionals in all cases. Perfect performance drill bits scored 63,5 in rockwell scale, what ensures maximum durability with lowest fragility in the class of professional drill bits each drill bit has 135 degree split-point which ensures precise drilling start and perfect accuracy.

 

116 Quick Change Hex Shank High Speed Steel Drill Bit KFDHEX Series Pack of 12

1/16″ Quick Change Hex Shank High Speed Steel Drill Bit, KFDHEX Series (Pack of 12)

1/16″ Quick Change Hex Shank High Speed Steel Drill Bit, KFDHEX Series (Pack of 12) - Black and gold surface treated for use in stainless steel, wood and other hard metal drilling. Gold and black surface treated for use in stainless steel and other hard metal drilling. Black and gold drills are manufactured from premium grade high speed steel. 1/4 in hex shank can be used in quick change impact drivers. Killer force drills (kfd) have a heavy-duty 135° split point for self-centering and reducing thrust.

 

SPKLINE 10 Pcs High Speed Steel Cobalt Drill Bit Set 2 Pcs of Each 1mm364 15mm116 2mm564 25mm332 3mm18 Jobber Length Twist M35 Metal Drill Bit For Stainless Steel And Hard Metal

SPKLINE 10 Pcs High Speed Steel Cobalt Drill Bit Set 2 Pcs of Each 1mm(3/64″), 1.5mm(1/16″) 2mm(5/64″) 2.5mm(3/32″) 3mm(1/8″) Jobber Length Twist M35 Metal Drill Bit For Stainless Steel And Hard Metal

SPKLINE 10 Pcs High Speed Steel Cobalt Drill Bit Set 2 Pcs of Each 1mm(3/64″), 1.5mm(1/16″) 2mm(5/64″) 2.5mm(3/32″) 3mm(1/8″) Jobber Length Twist M35 Metal Drill Bit For Stainless Steel And Hard Metal - Straight shank fits with electric and cordless power drill and rotary drill drill bits are packed in a plastic bag. M35 cobalt drill bits are made from industrial grade high speed steel with 5% cobalt alloy that is heat and abrasion-resistant. Very tough drill bit for heavy duty work drilling into stainless steel, light-gauge metal, high-carbon steel, aluminum and ally steel, cast iron, abrasive alloy metal, other hard metal and hardened steel 4 times life time than normal metal drill bit when drilling into pcb board, plastic, wood, jewelry, sheet metal and normal steel. 135-degree split-point tip starts drilling immediately with less force and eliminates walking or skating across the work surface. 10 pcs mini size cobalt drill bit set for micro hole drilling into various material, it contains 2 pcs of each 1mm(3/64″), 15mm(1/16″), 2mm(5/64″), 25mm(3/32″), 3mm(1/8″) diameter drill bit.

 

18mm2332-Inch Reduced Shank Drill Bit 12 Shank High Speed Steel Twist Drill Bit HSS-4341 for Aluminum Plate Copper Wood Stainless Steel

18mm(23/32-Inch) Reduced Shank Drill Bit, 1/2″ Shank High Speed Steel Twist Drill Bit HSS-4341 for Aluminum Plate Copper Wood Stainless Steel

18mm(23/32-Inch) Reduced Shank Drill Bit, 1/2″ Shank High Speed Steel Twist Drill Bit HSS-4341 for Aluminum Plate Copper Wood Stainless Steel - Suitable for drilling various materials such as die steel, l-beam, channel steel, ordinary steel, aluminum, copper, wood or 1-3mm stainless steel. Specific size cutting bit diameter 18mm(23/32″) shank 10mm(039″) length 152mm(59″) length . Surface treatment of nitriding makes it durable, withstand heavy duty operation for long service life . Precision ground with geometry of 118 degree split point for quick penetration and accurate start-up . High speed steel (type 4341) is designed to ensure sharp and fast execution in metal material for clean results .

 

Century Drill Tool 88229 High Speed Steel Drill Bit 2964

Century Drill & Tool 88229 High Speed Steel Drill Bit, 29/64″

Century Drill & Tool 88229 High Speed Steel Drill Bit, 29/64″ - 135 degree quick cut point requires no center punching, will not walk or wonder. 3/8″ reduced shank. High speed steel and duotone finish for fast chip removal and improved cutting life. Designed for general purpose use in wood, plastic, plaster and soft metal.

 

Wenyun Carbon Steel Drill 6mm Steel Drill Reamer Tire Repair Cutting Drill Bit

Wenyun Carbon Steel Drill 6mm Steel Drill Reamer Tire Repair Cutting Drill Bit

Wenyun Carbon Steel Drill 6mm Steel Drill Reamer Tire Repair Cutting Drill Bit - Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includingpackage included1 x tire repair cutter. Specificationstotal length 90mmshank diameter 6mmmaterial high carbide steelnotes1. 2. We guarantee the style is the same as shown in the picture. Use with low speed tool. Features- 6mm shank has flat side to prevent slippery., To remove excess rubber and smooth jagged steel wire in repair areas. Manual measuring, please allow 1 ~ 3mm error,thank you.

 

uxcell Reduced Shank Twist Drill Bits 16mm High Speed Steel 4341 with 10mm Shank 1 Pcs

uxcell Reduced Shank Twist Drill Bits 16mm High Speed Steel 4341 with 10mm Shank 1 Pcs

uxcell Reduced Shank Twist Drill Bits 16mm High Speed Steel 4341 with 10mm Shank 1 Pcs - Black & gold oxide finish premium gold titanium and black nitride dual coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant. Reduced shank reduced shank drill expands the size range capacity of a portable drill chuck common flute and overall length for minimal adjustment during tool changes. Features cutting edge diameter 16mm / 063″ shank diameter 10mm / 039″ effective cutting edge length 60mm / 236″ total length 150mm / 60″. Versatile uses for use in a wide range of stainless steel, aluminum alloy, iron, copper, brass and metal materials. High speed steel tool high-speed steel straight shank tool is good for most general purpose applications, offering a combination of hardness and toughness for wear resistance.

 

Edward Tools Paint and Mud Mixer for drill in 1 to 5 gallon buckets - Fits all standard drills - Zinc plated steel - Reinforced weld - Hex head for non slip - Easy to clean - Paint mixer attachment

Edward Tools Paint and Mud Mixer for drill in 1 to 5 gallon buckets – Fits all standard drills – Zinc plated steel – Reinforced weld – Hex head for non slip – Easy to clean – Paint mixer attachment

Edward Tools Paint and Mud Mixer for drill in 1 to 5 gallon buckets – Fits all standard drills – Zinc plated steel – Reinforced weld – Hex head for non slip – Easy to clean – Paint mixer attachment - Hex head design for non slipping while mixing paint, mud, grout and more. Fits all standard drills. Perfect mud and paint mixer blade for mixing in 1 to 5 gallon buckets. Lifetime warranty, have a problem with a weld or fit and we will replace your mixer. More durable, rust proof and easier to clean with zinc plated steel than other mud mixer drill bits.

 

IRWIN Drill Bit Set M35 Cobalt Steel 29-Piece 3018002

IRWIN Drill Bit Set, M35 Cobalt Steel, 29-Piece (3018002)

IRWIN Drill Bit Set, M35 Cobalt Steel, 29-Piece (3018002) - Sizes 1/16 inch -1/2 inch in 1/64 inch increments, 135 degree split point to minimize walk. Cobalt drill bit set. 5% cobalt for higher heat & abrasion resistance. Heavy duty web construction for strength & durability. 29 piece.

 

BESy Adhesive Bathroom Shower Corner Shelf Shower Corner Caddy with 2 Hooks Stainless Steel Drill Free with Glue or Wall Mount with ScrewsNo Damage 1 Tier Shower Shelves Triangle Polished Chrome

BESy Adhesive Bathroom Shower Corner Shelf Shower Corner Caddy with 2 Hooks Stainless Steel, Drill Free with Glue or Wall Mount with Screws,No Damage 1 Tier Shower Shelves Triangle, Polished Chrome

BESy Adhesive Bathroom Shower Corner Shelf Shower Corner Caddy with 2 Hooks Stainless Steel, Drill Free with Glue or Wall Mount with Screws,No Damage 1 Tier Shower Shelves Triangle, Polished Chrome - Polished chrome finish polished chrome silver finish, modern design and classy lookingall premium sus 304 stainless steel ( 18/8 ) construction,ensuring durability and dependability,makes the item shiny, rust free, waterproof and corrosion from daily use. Easy removeable and re-installyou can remove the bath shelf off the wall with a blade, and reinstall in other room by the super glue or neilsdimension 79 × 79 × 112 inch (20 × 20 × 285 cm)great gift idea for men, women, mom, home and family, good choice for christmas day and new year gift. No drillingcan be stick on any smooth surface as ceramic tilesno damage install with the glue and the 3m tape to stick on please hold on 3-5 seconds and don’t put anything on the shelf within 72 hours. Flexible structure flexible tiers, flexible distance with this shelf you can remodel you storage structure in bathroom and kitchen easily. Heavy dutyhigh weight capacity allow for heavy shampoo bottle storage preventing shelf tiltingtwo hooks included, hanging for bathroom accessories,such as towels.

 

IVY Classic 04132 12-Inch Cobalt Steel Drill Bit 135-Degree Split Point Reduced Shank 1Card

IVY Classic 04132 1/2-Inch Cobalt Steel Drill Bit, 135-Degree Split Point, Reduced Shank, 1/Card

IVY Classic 04132 1/2-Inch Cobalt Steel Drill Bit, 135-Degree Split Point, Reduced Shank, 1/Card - Jobber length drills designed for stainless steel, hard steel, wood and plastic, swift bore (registered trademark). Precision ground, gold-finished cobalt steel retains hardness at high temperatures. 135-degree split point for fast penetration and accurate self centering. Cobalt steel withstands abrasion and heat generated by hard-to-machine metals. Diameter 1/2-inch, overall length 6-inch, shank 3/8-inch reduced shank.

 

Togu DB-02 58 16mm High Speed Steel Drill Bit

Togu DB-02 5/8″ (16mm) High Speed Steel Drill Bit

Togu DB-02 5/8″ (16mm) High Speed Steel Drill Bit - 5high precision, stable cutting, strong shock resistance, good abrasion resistance. 1cutting edge is made of top-class hss (high speed steel). 3good cutting effect of ferrous and non-ferrous metals, be able to process stainless steel plates below 3mm. 2through special heat treatment, the cutting edge is sharp with high intensity. 4applicable to togu door viewers whose brass pipe diameters are 9/16″(14mm) and 5/8″(16mm) such as tg-2614 ng/yg series, tg-2814 ng/yg series, tg-3016 ng/yg and tg 1612-3016 series.

 

Hymnorq 14 Inch Fractional Size M35 Cobalt Steel Twist Drill Bit Set of 10pcs Jobber Length and Straight Shank Extremely Heat Resistant Suitable for Drilling in Stainless Steel and Iron

Hymnorq 1/4 Inch Fractional Size M35 Cobalt Steel Twist Drill Bit Set of 10pcs, Jobber Length and Straight Shank, Extremely Heat Resistant, Suitable for Drilling in Stainless Steel and Iron

Hymnorq 1/4 Inch Fractional Size M35 Cobalt Steel Twist Drill Bit Set of 10pcs, Jobber Length and Straight Shank, Extremely Heat Resistant, Suitable for Drilling in Stainless Steel and Iron - Cobalt steel, manufactured from m35 grade cobalt steel, with molybdenum and cobalt added to creates a hardened alloy, measuring rockwell hardness up to 67, for much faster cutting and extra longer life span, ideal for repeated drilling in metalworking. Downloadable user guide, we’ve summed up some tips of drilling metals, including a rpm chart for several common metals, based on our reviews and some articles on the internet in most cases, our customers would get a much better result with these tips welcome to download. Self centering, the 135°quick-cut pilot split points are self-centering and can penetrate quickly with less pressure the bits will not “walk” or “wander” straight shank allows for firmly holding and accurate centering, fit for standard drill chucks and regular round collet chucks. For metalworking, particularly successful in cutting through hard metals(hardness less than hrc38°) such as stainless steel and cast iron, although they can be used for softer materials like copper and aluminium, too not for hardened steel / high carbon steel try to adjust the rpm when it fails to penetrate. 10pc set, the set includes 10pcs of 1/4″ diameter m35 grade cobalt steel twist drill bits, packed in a plastic case for easy storage and carrying manufactured to german din338 standard.

 

amoolo Cobalt Drill Bit Set 13 pcs M35 HSS Metal Drill Bits for Steel Stainless Steel Metal and Cast Iron116-14

amoolo Cobalt Drill Bit Set (13 pcs), M35 HSS Metal Drill Bits for Steel, Stainless Steel, Metal and Cast Iron,1/16″-1/4″

amoolo Cobalt Drill Bit Set (13 pcs), M35 HSS Metal Drill Bits for Steel, Stainless Steel, Metal and Cast Iron,1/16″-1/4″ - 【M35 cobalt high speed steel】industry grade 6542 high speed steel drill bit set, harder than 4241 hss used in other similar drill bits set these drill bits also contain 5% cobalt, which increases wear-resistance and durability. 【Multiple application】perfectly suitable for cutting hard metal such as stainless steel, steel and cast iron as well as wood, aluminum alloy and other softer metals × not for glass or ceramic materials ×not for high carbon steel and heat-treated steel √ pay attention to speed, pressure and heat control during drilling. 【90 days warranty】if you are not fully satisfied for any reason, please contact us for 100% refund or replacement. 【Fully ground process & 135° split point】fully ground spiral groove design clears particles quickly, decreases friction and heat for a faster and cooler drilling performance 135° split point with straight shank prevents walking and makes drilling precise and faster no center punch is needed. 【combo set of 13 sizes】13 most commonly-used sizes (1/16″,5/64″,3/32″,7/64″,1/8″,9/64″,5/32″,11/64″,3/16″,13/64″,7/32″,15/64″,1/4″) to satisfy all your needs this drill bits set fits the majority of power drill currently on the market and come with a portable plastic bag for easy storage and organization.

 

3Pcs High-Speed Steel Step Drill Bit Set LepoHome Cone Titanium Coated Metal Hole Cutter 14 Hex Shank Drive Quick Change 4-12mm4-20mm4-32mm

3Pcs High-Speed Steel Step Drill Bit Set, LepoHome Cone Titanium Coated Metal Hole Cutter 1/4″ Hex Shank Drive Quick Change 4-12mm/4-20mm/4-32mm

3Pcs High-Speed Steel Step Drill Bit Set, LepoHome Cone Titanium Coated Metal Hole Cutter 1/4″ Hex Shank Drive Quick Change 4-12mm/4-20mm/4-32mm - 【Widely used】perfect step drill bits suitable for drill holes in various material: within 3mm/012 inch (iron plate, copper plate, aluminum plate) within 5mm/02 inch (wood, pvc sheet, insulation boards) not suitable for hard and brittle materials such as stainless steel, glass, tile floors, walls etc. 【Package included】 3-piece hss groove step drill bit (4-12/ 4-20/ 4-32mm ) 1/4″ hex shaft drives are suitable for all kinds of for home diy power drills. 【Set includes】bit #1 (5 steps) 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm) bit #2 (9 steps) 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm) bit #3 (15 steps) 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm,30mm,32mm). 【Material】hss combined with a titanium coating more capable and durable. 【easy drilling】two-flute design for smoother cutting high step design let you feel the stop and never drill bigger in mistake.

 

XLCMSY Cobalt Drill Bit Set Metric Straight Shank Twist Drill Heat Resistant Metal Drill Bits for Stainless Steel Hardened Steel Cast Iron and Wood 15-65mm 13 Pcs

XLCMSY Cobalt Drill Bit Set, Metric Straight Shank Twist Drill Heat Resistant Metal Drill Bits for Stainless Steel, Hardened Steel, Cast Iron and Wood, 1.5-6.5mm (13 Pcs)

XLCMSY Cobalt Drill Bit Set, Metric Straight Shank Twist Drill Heat Resistant Metal Drill Bits for Stainless Steel, Hardened Steel, Cast Iron and Wood, 1.5-6.5mm (13 Pcs) - 【Heat resistant】 this metric straight shank twist drill set is made of m35 cobalt steel, adding molybdenum and cobalt to form a hardened alloy with a rockwell hardness of 67 it is super heat resistant and can cut hard metals quickly, up to 12 times than ordinary hss drill bits. 【Safe & eco-friendly】made of high-end eco-friendly m35 cobalt steel material, the drill bits for metal is safe and eco-friendly, providing longer tool life and reducing environmental pollution it is a very practical and user-friendly drill bit for cutting through hardened material. 【lightweight & durable】designed with a 135 degree split point, these metric drill bits are very lightweight, eliminating the need for a center punch, making cutting faster and less powerful, preventing walking and cutting stainless steel more precisely. 【Multiple sizes & widely used】the metal drill bits set for steel are available 13 sizes to meet your different needs these cobalt drill bits are widely used in metalworking, it is ideal for cutting hard alloys such as stainless steel and cast iron, not suitable for glass or ceramic. 【Practical design】the metal drill bits kit features a straight shank design that makes it easier to fix and precisely machine, saving time and improving work efficiency it is perfect match for workshop or vehicles repair shop.





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