We examined tons reviews, and put together a list of the top sellers. Check out the top Drill Bit for Hardened Steel Bolt below.
No. 1
XLCMSY Cobalt Drill Bit Set, M35 HSS Straight Shank Twist Drill Heat Resistant Metal Drill Bits for Hard Metal,...
- 【Heat Resistant】 This straight shank twist drill set is made of 5% cobalt high speed steel, adding molybdenum and cobalt to form a...
- 【Safe & Eco-friendly】 High speed steel with 5% cobalt, durable, safe and eco-friendly, providing longer tool life and reducing...
- 【Lightweight & Durable】 Designed with a 135 degree split point, these drill bits are very lightweight, eliminating the need for a center...
- 【Multiple Sizes & Widely Used】 The metal drill bits set for steel are available 13 sizes to meet your different needs, drill bit sizes...
- 【Practical Design】 The metal drill bits kit features a straight shank design that makes it easier to fix and precisely machine, saving...
SaleNo. 2
2/Pack Solid Carbide Drill Bit for Hardened Steel Hard Ness HRa 91.3 Aerospace Standard K20 Tungsten Carbide Jobber...
- ★【Premium Bright Finish】 Multi-purpose solid carbide drill bits provide better rigidity than high speed steel bits. It is extremely...
- ★【Recommended For Use On】 aircraft metals chrome titanium inconel stainless steel Alloys Steel Low-Medium-High Carbon Steel Aluminum...
- ★【Optimal Design for Metal Work】 118° four facet point angle minimizes drill wander and assures accurately sized holes. Our jobber...
- ★【Specs】 Tungsten Carbide Grade (ISO): K20 / Binder: %8 Cobalt / Hardness: 91.3 HRa / Uncoated / Flute Length: 1-1/4 inch, Overall...
- ★【IMPORTANT, PLEASE READ BEFORE BUYING】Tungsten Carbide or cemented carbide is a composite material, although it looks like a metal,...
No. 3
Drill Hog USA 5 Pc Left Handed Drill Bit Set Niobium Nb41
- Drill Hog USA 5 Left Handed Drill Bit Set
- Niobium Nb41 Steel
- Includes 1/8", 3/16", 1/4", 5/16", and 3/8"
- Left Handed Threads (for removing broken bolts, screws, and studs)
- Lifetime Warranty
No. 4
Century Drill & Tool Left Hand Cobalt Jobber Drill Bit, 5 Pc (74105)
- Industrial Cobalt steel with 135-Degree split point
- Made from premium cobalt steel
- Stubby mechanics length drill bit for additional strength
- 5 piece set includes 1/8"3/16" 1/4" 5/16" and 3/8" left hand drill bits
- Stubby mechanics length drill bit for additional strength
SaleNo. 5
DEWALT Titanium Drill Bit Set, Pilot Point, 21-Piece (DW1361)
- DEWALT drill bit set has connectable accessory storage system to optimize storage space
- Patented bit-bar design of the drill bits set allows easy removal of bits and customizable placement
- Clear lid of the titanium drill bit set allows you to easily see contents at glance
- Clip latch for secure closing
- Small Bulk Storage size fits inside the Small and Medium ToughCase+ (sold separately) - Ideal for organizing loose bits
No. 6
Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal (1mm-10mm/19pcs)
- Premium M42 8% Cobalt Steel ,68-70 HRC (Rockwell Hardness Scale) ,Usually Give the Best Heat,Wear and Chip Resistance and Long Tool Life.
- 3 Steps Desigh for Cutting through Stainless Steel,Hard Metals,Aluminum,Plastic.
- This Cobalt Drill Bit is Typically Capable of Running Three to Five Times Faster.Despite the Higher Price,the Cost Per Hole When Using...
- The Sufficiently Sharp Bit Edge Can Cut the Metal Material into Long Strips of Iron Chips rather than Slowly Grinding Throng the Material...
- 19Pcs 135 Degree Split Point Drill Bits Includes...
No. 7
FIOTOK Steel Set of 3.8mm & 4.5mm Screwdriver Security Game Bits for Nintendo NES, SNES, N64, GameBoy, and GameCube
- 🎮【Humanized Design】With ergonomic design, the feeling of use of the grip is improved , making you feeling comfortable. The driver is...
- 🎮【High Quality】The Screwdrivers Bit adopts high quality stainless steel, High Quality Screwdrivers set With Carbon Steel Shaft Will...
- 🎮【Universal Compatibility】This Tool Kit specially serves for modern Nintendo Products and many other game devices, durable and a...
- 🎮【Wide Application】3.8mm opens game cartridges for Original NES, Super SNES, N64, Virtual Boy, Original Game Boy, Game Boy Color, and...
- 🎮【What you Get】2 x 3.8mm & 4.5mm Screwdriver Security Game Bits.
SaleNo. 8
IRWIN Left Hand Drill Bit Set, Cobalt, 5/64-Inch to 19/64-Inch, 5-Piece (30520)
- Drill bits made of M-42 8% cobalt high-speed steel for super abrasive resistance in tough metals
- 135° split point reduces feed pressure for easier penetration without work hardening
- Each drill bit has a heavy-duty spiral flute design that produces fast chip ejection
- Shorter cutting lips reduce torque for drilling in high-tensile-strength materials
- IRWIN drill bits are great for use with screw extractors