Best Inch Twist Drill Bits in 2026

DURABLE AND PRECISE – Constructed with High Speed Steel (HSS) which provides a combination of hardness and toughness for wear resistance to take on intricate drilling tasks where accuracy is critical.

MULTIPLE USES – Gyros Wire Gauge Micro Drill Bits can be used with a wide range of hand and motorized tools for a better experience. These Straight Shank Mini Bits allow use with a wide variety of tool holding systems. Use with Gyros Mini Adaptor Chuck 45-01803 to use with most power rotary tools. Use with Gyros Swivel Head Pin Vise 97-01818 for all your hand drilling needs.

COMPLETE 11 PIECE SET - Gyros Mini Drill Bit Set comes complete with a range of small diameter twist drills sizes #50 (.0700”/1.778mm) through #60(.0400”/1.016mm) and therefore is preferred by Professional Craftsmen, Model Makers, Hobbyists, Jewelers, and Do-It-Yourself enthusiasts, and is a Must Have for all your drilling tasks.

DURABLE AND PRECISE – Constructed with Carbon Steel (CS) which provides a combination of hardness and toughness for wear resistance to take on intricate drilling tasks where accuracy is critical.

MULTIPLE USES – Gyros Wire Gauge Micro Drill Bits can be used with a wide range of hand and motorized tools for a better experience. These Straight Shank Mini Bits allow use with a wide variety of tool holding systems. Use with Gyros Mini Adaptor Chuck 45-01801 to use with most power rotary tools. Use with Gyros Swivel Head Pin Vise 97-01818 for all your hand drilling needs.

COMPLETE 20 PIECE SET - Gyros Mini Drill Bit Set comes complete with a range of small diameter twist drills sizes #60 (.0400”/1.016mm) through #80 (.0135”/.343mm) and therefore is preferred by Professional Craftsmen, Model Makers, Hobbyists, Jewelers, and Do-It-Yourself enthusiasts, and is a Must Have for all your drilling tasks.

DURABLE AND PRECISE – Constructed with Carbon Steel (CS) which provides a combination of hardness and toughness for wear resistance to take on intricate drilling tasks where accuracy is critical.

MULTIPLE USES – Gyros Wire Gauge Micro Drill Bits can be used with a wide range of hand and motorized tools for a better experience. These Straight Shank Mini Bits allow use with a wide variety of tool holding systems. Use with Gyros Mini Adaptor Chuck 45-01803 to use with most power rotary tools. Use with Gyros Swivel Head Pin Vise 97-01818 for all your hand drilling needs.

COMPLETE 11 PIECE SET - Gyros Mini Drill Bit Set comes complete with a range of small diameter twist drills sizes #50 (.0700”/1.778mm) through #60(.0400”/1.016mm) and therefore is preferred by Professional Craftsmen, Model Makers, Hobbyists, Jewelers, and Do-It-Yourself enthusiasts, and is a Must Have for all your drilling tasks.

Durable and Precise – Constructed with Carbon Steel (CS) which provides a combination of hardness and toughness for wear resistance, making it ideal for complicated drilling applications requiring precision.

Multiple Uses – For a better experience, Gyros Wire Gauge Micro Drill Bits can be utilized with a variety of hand and motorized tools. Straight Shank Mini Bits are compatible with a wide range of tool holding systems. To use with most power rotary tools, use with Gyros Mini Adaptor Chuck 45-01803. For all your hand drilling needs, pair with the Gyros Swivel Head Pin Vise 97-01818

12 Micro Twist Drills – Professional Craftsmen, Model Makers, Hobbyist, Jewelers, and Do-It-Yourself enthusiasts prefer these Gyros Mini Drill Bits, which come complete with 12 (1 Dozen) small-diameter twist drills size #76 (.0200”/.508MM) providing quality and value for your money and are a Must-Have for all your drilling tasks.

Speed helix design for three times faster drilling than standard bits

Last 50 percent longer than high-speed steel

Easier drilling, reduced heat and extended drill bit life

Drill, Tap and Ratchet Tap Wrench Set Includes: 9 drill bits include wire gauge sizes #36, #29, #25, #21, #7, letter sizes F, U and inch sizes 5/16", 27/64". 9 hand taps include 6-32 UNC, 8-32 UNC, 10-24 UNC, 10-32 UNF, 1/4"-20 UNC, 5/16"-18 UNC, 3/8"-16 UNC, 7/16"-14 UNC, and 1/2"-13 UNC. 1 ratchet tap wrench fits 0-1/4" tap. The set has a strong and professional box with indexed holder and standing up tiers for easy storage and pickup.

Wide Applications: The tap and tap wrench are designed to make shallow cuts in narrow spaces. The drill and tap combo are tailored for industrial production, maintenance or portable drilling jobs in metal, aluminum, and plastics. And they fit majority drill driver brands on the market. Taps in this set can be driven by both hand and machine.

Drill Bits, SAE Taps and Gear Tap Wrench Cost-Efficient Combination: provides a secure method of drilling the proper hole size before cutting right-hand internal threads. The T-handle silver wrench allows three settings-forward, reverse and lock positions which can be set with your hand efficiently. Purchasing all three tools in one combo offers convenience and cost efficiency. It is much cheaper than buying them separately.

Premium cobalt high speed steel construction for proven capability and durability to drill holes in wood, plastic, aluminum, copper, stainless, sheet metals and many other types of materials

Superior gold titanium and black nitride dual coating finish holds up lubricant better for smoother drilling, and is 80% more durable and corrosion resistant than regular black enamel finish

135° Split point design at tip increases cutting speed with self-centering feature and prevents drill walking or wobbling

High-Speed Steel Construction: Made from Titanium Coated HSS-4341. The Twist power tool drill set with heat resistant and wear resistance can provide longer tool life, suitable for drilling high hardness materials

Multiple Use: Wire Gauge Micro Drill Bits are ideal for gold, silver, wood, hard and soft metals, plastic, PVC, beads, and jewelry. it can be used with a wide range of hand and motorized tools for home DIY, workshop or vehicles repair shop.

Practical Design: The Rotary hand tools designed with 135° split point are very lightweight, making cutting faster and less powerful, preventing walking and cutting stainless steel more precisely, thanks to its precision grinding inclined blade design.

Quality HSS M2 ensures sharp and fast execution in any material for clean results

Premium Heat treated black oxide is durable and withstand heavy duty operation for a long tool life

3-flat shank provides better chuck grip and reduces slippage, maximizing security for precise holes

M35 HSSCO High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance.

Black and gold polished treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge.

135-Degree split point for accurate centering and fast penetration and round shanks allow use with a wide variety of toolholding systems.

M35 HSSCO High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance.

Black and gold polished treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge.

135-Degree split point for accurate centering and fast penetration and round shanks allow use with a wide variety of toolholding systems.

Drill Hog 8 Pc Jumbo COBALT M42 Silver & Deming Drill Bit Set

Cobalt M42 Steel

Included Sizes: 1-1/16", 1/1/8", 1-3/16", 1-1/4", 1-5/16", 1-3/8", 1-7/16", 1-1/2"

Drill Hog 33 Pc Silver & Deming Drill Bit Set Hi-Molybdenum M7

Hi-Molybdenum M7 HSS Steel

33 Silver & Deming Bits From 1/2" to 1" by 1/64ths (Does Not Skip any Sizes)

Color: Silver;Use shank typer: round handle

Chuck clamping range: 0.2-2.0mm

Material: Metal ; Total length: 110mm

【SIZE】- Shank Diameter : 1/8 Inch; Total Length : 37mm; Working Edge : 2mm

【MATERIAL】-This combined center drills was made by High Speed Steel 6542,which is solid and high temperature wear resistant，not easy to break

【ADVANTAGE】-Used to make a conical hole for a lathe center in order to make a starting point for a standard twist drill, designed to prevent the twist drill from walking.

【Special Design】- Fully ground spiral groove design clears particles quickly;decreases friction and heat for faster drilling performance

【Feature】 - Nitrogen Oxidation and Heat Treatment can increase the hardness and corrosion resistant of twist drill bit

【Application】- Perfect for stainless steel; copper; aluminum alloy;as well suit for wood;plastic

【SIZE】- Cutting Edge Diameter : 7mm / 0.28"; Shank Diameter : 7mm / 0.28"; Total Length : 350mm / 13.78"

【MATERIAL】-This twist drill bit was made by High Speed Steel and the hardness HRC is 62~63 which is harder and tougher to extreme loads,not easy to break

【ADVANTAGE】- Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications

Product Name : Auger Drill Bit;Material : Metal

Cutting Dia(Approx) : 6mm / 0.2";Twist Length(Approx) : 14cm / 5.5"

Hex Shaft Size(Approx) : 6mm / 0.2";Total Length(Approx) : 20cm / 7.9"

Product Name : Spot Drill;Point Angle : 90 Degree;Design : Straight Shank

Material : HSS;Bit Dia : 8mm/0.31''

Shank Diameter : 8mm/0.31''Flute Length : 25mm/ 0.98''