Best Zinc Jobber Drill Bits in 2026

135° Split-point tips drill on contact and prevents walking on the hard surface you’re working on

31° Helix reduces over aggressiveness of true parabolic flute, making it ideal for drilling deep holes

Ideal for drilling in light gauge metals

Black and gold coating to help prevent rust and wear

3-Flats shank to reduce spin-out in the chuck*

Size markings on the drill bit shank for identifying sizes quickly

Black oxide finish for greater wear protection

Parabolic flute design for greater bit strength

135-degree split-point design reduces slip and walking

Includes tough case container to keep bits organized

Sliding soft-grip lock keeps case closed securely

Titanium Nitride coating for maximum life

Titanium Nitride coating for maximum life

Parabolic flute design improves chip ejection while drilling

Extra hard titanium nitride coating for maximum service life

Ideal for drilling in light gauge metals

One year warranty, One year service contract, 30 day no-risk trial

5/8 HSS 3/8IN DRILL BIT

5/8 HSS 3/8IN DRILL BIT

135 degree split point drills on contact and prevents walking

Parabolic flute design improves chip ejection in metal and wood drilling applications

Black oxide coated for greater wear resistance

Helix is 31 degrees which minimizes the over aggressiveness of a true parabolic flute

One year warranty, One year service contract, 30 day no-risk trial

Ideal for drilling in light gauge metals

One year , one year service contract, 30 day no-risk trial

11/16IN S&D DRILL BIT

11/16IN S&D DRILL BIT

135 degree split point drills on contact and prevents walking

Parabolic flute design improves chip ejection in metal and wood drilling applications

Black oxide coated for greater wear resistance

Helix is 31 degrees which minimizes the over aggressiveness of a true parabolic flute

One year warranty, One year service contract, 30 day no-risk trial

135 degree split point drills on contact and prevents from walking

Parabolic flute design improves chip ejection in metal and wood drilling applications

Black oxide coated for greater resistance to wear

Helix is 31 degrees which minimizes the over aggressiveness of a true parbolic flute

135 degree split point drills on contact and prevents from walking

Parabolic flute design improves chip ejection in metal and wood drilling applications

Black oxide coated for greater resistance to wear

Helix is 31 degrees which minimizes the over aggressiveness of a true parbolic flute

One year warranty, One year service contract, 30 day no-risk trial

Black and gold coating to help prevent rust and wear

3-flat shank to reduce spin-out in the chuck

Size markings on the drill bit shank to identify sizes quickly

135 degree split point drills on contact and prevents walking

Parabolic flute design improves chip ejection in metal and wood drilling applications

Black oxide coated for greater wear resistance

Helix is 31 degrees which minimizes the over aggressiveness of a true parabolic flute

One year warranty, One year service contract, 30 day no-risk trial

11/32IN 135 SPLTPT BLKOX

11/32IN 135 SPLTPT BLKOX

135 degree split point drills on contact and prevents from walking

Parabolic flute design improves chip ejection in metal and wood drilling applications

Black oxide coated for greater resistance to wear

Helix is 31 degrees which minimizes the over aggressiveness of a true parbolic flute

One year warranty, One year service contract, 30 day no-risk trial

Thunderbolt drill bits are designed for extreme durability and long life

Bits features a thicker core than a standard drill bit.Parabolic flute form clears chips and debris fast, keeps the bit cool.135 split point tip starts on contact, keeps bit from walking.3-Flat secure grip shank reduces bit slipping in chuck

Thunderbolt drill bits are designed for extreme durability and long life

Bits features a thicker core than a standard drill bit

Parabolic flute form clears chips and debris fast, keeps the bit cool

135 Split Point tip starts on contact, keeps bit from walking

3-flat secure grip shank reduces bit slipping in chuck

Titanium Nitride coating for maximum life

Black & Gold Coating - Black and gold coating increases lubricity, supplies corrosion protection, and increases durability. Ensures longer tool life in multiple working conditions. Tapered web provides strength, durability, and reduces breakage.

Package & Size: 2- Piece drill bits in a double blister pack with easy opening design. Diameter 1/2 inch, total length 5 inch, working length 4-1/2 inch, 135 degree split point, 3-flat shank.

Versatile - Versatile drilling applications. Designed for contractors, electricians and tool professionals, anyone requiring accurate and reliable bits for general-purpose use in steel, copper, aluminum, zinc alloy, cast iron, wood, and plastics. Also, ideal for DIY projects and home maintenance. Reliable quality and dependable life time.

Package & Size - 12 Pieces drill bits in a tube. Diameter 3/32 inch, total length 2-1/4 inch, working length 1-1/4 inch, 135° split point, straight shank drill bit.

Versatile - Versatile drilling applications. Designed for contractors, electricians and tool professionals, anyone requiring accurate and reliable bits for general-purpose use in steel, copper, aluminum, zinc alloy, cast iron, wood, and plastics. Also, ideal for DIY projects and home maintenance. Reliable quality and dependable life time.

Package & Size - 6 Pieces drill bits in a double blister pack with easy opening design. Diameter 7/64 inch, total length 2-5/8 inch, working length 1-1/2 inch, 135° split point, straight shank drill bit.

Versatile - Versatile drilling applications. Designed for contractors, electricians and tool professionals, anyone requiring accurate and reliable bits for general-purpose use in steel, copper, aluminum, zinc alloy, cast iron, wood, and plastics. Also, ideal for DIY projects and home maintenance. Reliable quality and dependable life time.

Package & Size - 6 Pieces drill bits in a double blister pack with easy opening design. Diameter 5/64 inch, total length 2 inch, working length 1 inch, 135° split point, straight shank drill bit.

Parabolic Flute design eliminating the need to withdraw the bit until the hole has been drilled through

Can drill up to 1350 holes without sharpening

European Pen Makers Drill Bits made from M2 HSS High Speed Steel for longer service

The full length of the drill bit can be used in a single pass

Reduced friction by the shape of the outer flute area makes for faster drilling and less heat buildup for longer life

Black & Gold Coating - Black and gold coating increases lubricity, supplies corrosion protection, and increases durability. Ensures longer tool life in multiple working conditions. Tapered web provides strength, durability, and reduces breakage.

Package & Size: 2- Piece drill bits in a double blister pack with easy opening design. Diameter 3/8 inch, total length 5 inch, working length 3-5/8 inch, 3-flat shank.

Versatile - Versatile drilling applications. Designed for contractors, electricians and tool professionals, anyone requiring accurate and reliable bits for general-purpose use in steel, copper, aluminum, zinc alloy, cast iron, wood, and plastics. Also, ideal for DIY projects and home maintenance. Reliable quality and dependable life time.

Package & Size - 6 Pieces drill bits in a double blister pack with easy opening design. Diameter 3/32 inch, total length 2-1/4 inch, working length 1-1/4 inch, 135° split point, straight shank drill bit.

Versatile - Versatile drilling applications. Designed for contractors, electricians and tool professionals, anyone requiring accurate and reliable bits for general-purpose use in steel, copper, aluminum, zinc alloy, cast iron, wood, and plastics. Also, ideal for DIY projects and home maintenance. Reliable quality and dependable life time.

Package & Size - 6 Pieces drill bits in a double blister pack with easy opening design. Diameter 1/8 inch, total length 2-3/4 inch, working length 1-5/8 inch, 135° split point, straight shank drill bit.

Multi-Functional - Drill bits are built for general purpose applications and work great in steel, copper, aluminum, zinc alloy, cast iron, wood and plastics. They are great for general contractors and professional installers. Ideal for DIY projects and home maintenance.

Sizes and package - Including drill bits sizes: 3/32", 1/8", 5/32", 3/16", 1/4". 135-degree split point, 3-flat shank. 5 pcs jobber length drill bits set in a double blister pack with easy opening design.

Professional & DIY Use - Drill bits are built for general purpose applications, and use in Steel/Copper/Aluminum/Zinc Alloy/Wood/Plastics. Also ideal for DIY projects and home maintenance.

Package & Size - 3 Pieces drill bits in a double blister pack with easy opening design. Diameter 5/32-inch, total length 3-1/8 inch, working length 2 inch, 135-degree split point, straight shank drill bit.

【WIDE APPLICATIONS】Perfect for all types of wood, especially for hard wood.

Flat bottom parabolic flute for faster waste removal. Special negative back grinding enables the tip to bore through materials with a filing action, not cutting.

Outlasts regular carbide tipped bits. No center punch needed, eliminates walking. Resharpen on a high quality silicon carbide grinding wheel. Conforms to ANSI standards. Coolants: turpentine, light oil, water.

GENERAL PURPOSE: It is ideal for drilling steel, copper, aluminum, brass, oak, maple, pines, PVC, ABS, polycarbonate, acrylic, nylon and composite materials.

PACKAGING: 3 pcs in one package. Each drill bit is in one plastic tube, and three tubes are in one paper carton. This packaging protects drill bit well from bomping against each other and also is convienent for storage.

Thunderbolt Web, Provides Longer Life and Faster Driller Times

Parabolic Flute, Clears Chips Faster

135 degree Split Point, Precision Start No Walking

Titanium Coating keeps the bits sharp

Includes tough case container to keep bits organized

Sliding soft-grip lock keeps case closed securely

Drill bit shank is made from the finest chrome vanadium steel allowing for greater flexibility.

Extreme low drilling pressure with excellent centering prevents walking – tape or center punching no longer needed

Titanium nitride (TiN) is a coating to extend cutting tool life and permit faster cutting speeds than with uncoated tools

High-speed steel (HSS), for use on a wide variety of materials

Self-centering 135-degree notched point penetrates material without a pilot hole more easily than a conventional point, and maintains a sharp cutting edge

Wide parabolic flutes increase coolant flow and chip evacuation, and are stronger and more rigid than standard parabolic flutes for deep drilling in difficult-to-machine materials

Made in the USA