Best Straight Long Drill Bits in 2026

The product is 1/4x12 has STL drill bit

Easy to use

The product is manufactured in China

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

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

Effective in drilling tough, high tensile strength materials like stainless steel, inconel and titanium

135° split point tip prevents drill from walking

Round shanks allow use with a wide variety of tool holding systems

Drill bit has maximum speed and life in stainless steel and other hard metals

Pilot point and split tip design of drill bits for wood, metal and plastic starts on contact and eliminates bit walking

Heavy-duty Cobalt Alloy Steel of DEWALT drill bits delivers 4 times more life than black oxide.

The product is 15Pc BLK drill bit set

Easy to use

The product is manufactured in China

Convenient Size Variety: This 29-piece bit set includes everything you need for a user-friendly experience that suits all your needs. The set comes with: 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", 17/64", 9/32", 19/64", 5/16", 21/64", 11/32", 23/64", 3/8", 25/64", 13/32", 27/64", 7/16", 29/64", 15/32", 31/64", 1/2" bits.

A Must For Professionals: The CaRoller drill bits sets are an excellent choice for professionals as well as DIY enthusiasts, enjoying superior durability and including various sizes that go well with your multiple needs.

Heavy Duty Construction: This wood drill bit set is made with premium grade, highly durable materials, a combination of W4 high speed steel, amber coating and black oxide finish which ensures long-lasting use and superior wear resistance!

ACCURACY: Featuring a no skate tip to reduce bit walking, eliminate the need for center punch, and provide accurate starts

RELIABLE: Designed with long flutes for increased speed and effective material removal. The Bosch BL9IM Drill Bit Set is ideal for universal drilling in a variety of drills including 1/4in. hex drills.

TOUGH: Featuring an impact-rated shank, engineered for higher torque drills and impact drivers in tough construction applications.

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

✅【Five-blade design】Each countersunk drill adopts five-blade blade design, which can reduce vibration and prolong life, achieve smoother drilling, with 1/4" metal hex.

✅【Compact Grinding】Precision grinding 82° tip for drilling holes on most medium hardness stainless steel, copper, aluminum, wood, plastic.

✅【M2 HSS Cobalt Layered Drill Bits】M2 Cobalt Coated, each metal countersunk drill bit is made of high quality M2 HSS material, this countersunk drill bit set is excellent in heat, corrosion and rust resistance to reduce friction and run cooler.

High-quality Design: Classic M2 High Speed Steel construction with black oxide finish for proven capability and durability.

Extra Long Drill Bit Set: Last 50 percent longer than high-speed steel. It is especially suitable for drilling in areas where the normal working length of the bit can not reach.

Easier Drilling: Reduced heat and extended drill bit life. 135 degree split point drills on contact and prevents walking.

5pcs 5 Flutes 82 Degree Hss Countersink Drill Bit Woodworking End Milling Tool

the self-starting point and five-fluted design makes it reduce chatter and vibration during the drilling process. It is easy to remove chips and clean holes, so that the operation is stable, the cutting is neat and accurate, without burrs, and the cutting edges is not easy to blunt. The staggered cutting teeth arranged of the countersink drill bit to insure free chip flows and rapid chatter free cutting.

The countersink drill is made of high-speed steel and undergoes high-frequency quenching for heat treatment, precision ground 82° tip, which has high hardness and toughness. The chamfer cutter kit is coated into black oxide finish, which has anti-rust , corrosion resistance, high wear resistance, can withstand high temperature conditions, and has a long service life.

29 Pack Woodworking Chamfer Drilling Tool Kit with a Handy Plastic Case– A Versatile tool set that would make a nice gift for woodworker, Dad, DIY lover, home hobbyist. Ideal for wood, particle board, fiberboard, logs, plastic boards, PVC pipes used on hand drill, bench drill and electric drill.

3 Pcs 1/4" Metric Hex Shank HSS Step Drill Bit Set – With titanium coating, it has great heat/ corrosion/ rust resistance. Specification: 3/16''-1/2'', 1/4''-3/4'', 1/8''-1/2''. Suitable for drilling holes within 0.12 inch (Iron Plate, Copper Plate, Aluminum Plate); within 0.2 inch (Wood, PVC sheet, Insulation Boards). Not recommend for hard and brittle materials such as stainless steel, glass, tile floors, walls etc.

7Pcs 3- Pointed Countersink Bit for Wood – Made of high carbon steel with high hardness & abrasion resistance, large chip flute and five edge chamfers can drain sawdust faster and easier(Size include: 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm). With 1pc hex L-wrench, you could easily remove and adjust counter sleeve depth and drilling depth.

These drill bits are built for maximum durability and long life with impact drivers

Each drill bit is manufactured with heavy-duty, cold-forged, high-grade steel

The screwdriver bits can withstand high-torque output

AIRCRAFT EXTENSION: 1/8-inch cutting diameter, 1-5/8-inch flute length, 6-Inch overall length, 135 degree split point, straight shank

MADE FROM PREMIUM M2 HIGH-SPEED STEEL: perform better because of its well-balanced toughness

BLACK OXIDE: Black oxide coating resists corrosion

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

Extra-long length drill bit reaches farther and drills deeper than a jobber or long length drill bit

High-speed steel (HSS) provides hardness for wear resistance

Black oxide finish reduces wear while promoting chip and coolant flow on ferrous materials

CHARGE THROUGH NAIL-EMBEDDED WOOD: High-speed steel cutting edge maintains its sharpness

FAST, HIGH-PERFORMANCE DRILLING: Pull through material with speed and ease with an aggressive parabolic screw tip

EXTENDED BIT LIFE: Re-sharpenable blade

Milwaukee Thunderbolt Bit 5/32 In Black Oxide

Milwaukee Thunderbolt Black Oxide Jobber length drill bits are designed for extreme durability and long life

This is manufactured in China

Ultra-sharp tip for fast straight holes in clean wood or stacked lumber

Black oxide coated flutes for fast chip removal

Small hole in flute for easily pulling wires and cables through walls, ceilings and floors

Long length drill bit has an extended flute and overall length to drill deeper and reach farther than a jobber length drill bit

High-speed steel (HSS) provides hardness for wear resistance

Black oxide finish reduces wear while promoting chip and coolant flow on ferrous materials

Ship Auger Drill Bit: Equipped with a dual-helix cutting edge, the long ship auger offers fast, reliable and smooth drilling applications for all kinds of timber and wood leaving a cleanly drilled hole

Durable: The IDEAL long ship auger has a black oxide coating and is made from hardened machine steel making it durable and resistant to corrosion. The dual cutting edges and powerful screw tip power through nails and other embedded metals without breaking

Effortless Drilling: The oversized cutting head and the tapered dual flutes allow for easy chip removal without pulling back. Its dual-helix cutter head provides twice the cutting surface per rotation requring less effort to drill

【Parameter】- Material:HSS-6542;Hardened to:65-66Hrc;Cutting Diameter:32mm/1.26inch;Total Length:150mm/5.91inch

【Material】- High speed steel 6542 is designed to ensure sharp and fast execution in metal surface for clean results;32mm cutting diameter. Good for most general purpose applications, featuring a combination of hardness and toughness for wear resistance

【Advantage】-Expanding the size range capacity of a portable drill chuck; Common flute and overall length for minimal adjustment during tool changes

COUNTERSINK DRILL BIT SET - Also Countersink For Woodworking - Included 3 Pieces all same size #6(9/64" Tapered drill bit) Cutters (for up to 3/8" or 10mm screws head), 1 extra Tapered High Speed Steel M2 Drill Bit (6542 grade), 1 Stop Collar, 1 Hex Wrench

ADJUSTABLE COUNTERSINK - Also Countersink Bits For Wood - The Adjustable Stop Collar allows you to adjust the Counterbores depth and Adjustable Cutters can be adjusted for many screws sizes. Also known as Juego De Brocas Avellanadoras Para Madera, Avellanadores Para Madera, Juego De Brocas Para Avellanar, Broca De Avellanado.

QUICK CHANGE SHANK - The Quick Change 1/4" Shank is Universal size, Compatible with all 1/4" Quick Change Chucks.

Size - Drill Bit Diameter: 6mm / 0.24-inch; Flute Length: 127mm / 5-inch; Shank Diameter: 6mm / 0.24-inch; Total Length: 200mm / 7.87-inch.

Material - It is made of 6542 HSS (high speed steel) steel, which has good toughness and hardness, is not easy to break, and is easy to remove chips. Black oxide surface treatment, good rust resistance long durability.

Feature - The spiral groove design can avoid the displacement of the drill bit during the working process, and at the same time, the debris can be removed more quickly and easily. Sharp cutting edges provide smooth cutting without burrs.

7/16 impact duty drill bit

Durable titanium construction for long life

Designed to stay sharper longer

Extra-length, for deeper holes

Tanged shank, for a secure and accurate tool-holding system with positive split-sleeve drivers

Steam tempering (also called black oxide), to retain cutting fluids and to prevent chip-to-tool welding