Drill Bits
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Expected delivery: Wed, Nov 18
This section covers twist drill bits for metal, wood and plastic, along with step drills, masonry bits and drill bit sets. Lengths include stub (screw machine), jobber, taper and extra-long. Materials range from general-purpose high-speed steel (HSS) to cobalt for stainless and tough alloys and solid carbide for production machining. Sizes come in fractional, letter, number (wire gauge) and metric series, with black oxide, bright, gold oxide and titanium nitride finishes.
What to check before you order
- Workpiece material. HSS suits mild steel, aluminum and wood. Cobalt holds up in stainless. Carbide-tipped masonry bits are for concrete and block in a hammer drill.
- Point style. A 135 degree split point self-centers and cuts harder metals. A 118 degree point is common for general work.
- Length. Stub length bits are stiffer and wander less. Use jobber length for general work and taper or extra-long only when you need reach.
- Shank. Check the chuck. Reduced shank bits fit a 1/2" chuck on larger sizes, and SDS shanks fit rotary hammers.
- Tap drill sizes. Number and letter sizes exist mainly to drill tap holes. Keep a chart near the drill press.
Common questions
What is a jobber length drill bit?
It is the standard general-purpose length, long enough for most hand drill and drill press work while still fairly rigid.
Learn more in our drill bit materials guide, browse Alfa Tool bits, or see taps and dies and all cutting tools.
Drill Bits: page 41
- Approved Vendor 1.25mm HSS Jobber Length Drill Bit SKU 13740 $0.88
- Alfa Tool 1.3/8 X 18 Overall 7/16 Shank Ship Auger Bits SKU AUG61361 $97.86
- Approved Vendor 1.30mm HSS Jobber Length Drill Bit SKU 13744 $0.88
- Approved Vendor 1.35mm HSS Jobber Length Drill Bit SKU 13745 $0.88
- Approved Vendor 1.40mm HSS Jobber Length Drill Bit SKU 13746 $0.88
- Approved Vendor 1.45mm HSS Jobber Length Drill Bit SKU 13747 $0.88
- Approved Vendor 1.50mm Cobalt Jobber Length Drill Bit, D/ACO Series SKU 13751 $2.61
- Drill America 1.50mm HSS Black & Gold KFD Split Point Jobber Length Drill Bit Killer Force Drill Bit SKU 13752 $1.47
- Approved Vendor 1.50mm HSS Jobber Length Drill Bit SKU 13753 $0.88
- Approved Vendor 1.55mm HSS Jobber Length Drill Bit SKU 13755 $0.88
- Approved Vendor 1.60mm HSS Jobber Length Drill Bit SKU 13756 $0.88
- Approved Vendor 1.65mm HSS Jobber Length Drill Bit SKU 13757 $0.88
- Approved Vendor 1.70mm HSS Jobber Length Drill Bit SKU 13758 $0.88
- Approved Vendor 1.75mm HSS Jobber Length Drill Bit SKU 13759 $0.88
- Approved Vendor 1.80mm HSS Jobber Length Drill Bit SKU 13760 $0.88
- Approved Vendor 1.85mm HSS Jobber Length Drill Bit SKU 13761 $0.88
- Approved Vendor 1.90mm HSS Jobber Length Drill Bit SKU 13762 $0.88
- Approved Vendor 1.95mm HSS Jobber Length Drill Bit SKU 13763 $0.88
- Alfa Tool 1/16 Cobalt Left Hand Jobber Drill SKU JDLCO93101 $13.74
- Approved Vendor 1/16" Carbide Spade Drill Bit SKU 13783 $18.93
- Approved Vendor 1/16" Carbide Tipped Die Drill Bit SKU 13784 $23.33
- Approved Vendor 1/16" Cobalt Jobber Length Drill Bit, D/ACO Series SKU 13785 $1.73
- Drill America 1/16" Cobalt Jobber Length Drill Bit, DWDCO Series SKU 13786 $1.37
- Approved Vendor 1/16" Cobalt Split Point Stub Drill Bit SKU 13788 $1.70
- Approved Vendor 1/16" Cobalt Taper Length Drill Bit SKU 13789 $8.84
- Approved Vendor 1/16" Cryogenic HSS Black & Gold Jobber Length Drill Bit SKU 13790 $3.86
- Approved Vendor 1/16" HSS Black & Gold 135° Split Point Jobber Length Drill Bit SKU 13791 $2.89
- Drill America 1/16" HSS Black & Gold KFD Split Point Jobber Length Drill Bit Killer Force Drill Bit SKU 13792 $0.86
- Drill America 1/16" HSS Black & Gold KFD Split Point Mechanics Length Drill Bit SKU 13793 $0.94
- Approved Vendor 1/16" HSS Black & Gold Split Point Drill Bit, Contractor Series SKU 13794 $0.69
- Approved Vendor 1/16" HSS Black & Gold Split Point Stub Drill Bit, Contractor Series SKU 13795 $0.93
- Approved Vendor 1/16" HSS Black Oxide 118° Standard Point Jobber Length Drill Bit SKU 13796 $1.70
- Approved Vendor 1/16" HSS Black Oxide 135° Split Point Jobber Length Drill Bit SKU 13797 $3.21
- Drill America 1/16" HSS Black Oxide Jobber Length Drill Bit, D/AN Series SKU 13798 $0.96
- Drill America 1/16" HSS Black Oxide Jobber Length Drill Bit, DWDN Series SKU 13799 $0.47
- Approved Vendor 1/16" HSS Cobalt 135° Split Point Jobber Length Drill Bit SKU 13800 $4.43
- Approved Vendor 1/16" HSS Jobber Length Drill Bit Blank SKU 13801 $2.39
- Approved Vendor 1/16" HSS Left Hand Jobber Length Drill Bit SKU 13802 $3.20
- Approved Vendor 1/16" HSS Polished 118° Standard Point Jobber Length Drill Bit SKU 13803 $2.84
- Approved Vendor 1/16" HSS Polished Jobber Length Drill Bit, D/AP Series SKU 13804 $0.96
- Approved Vendor 1/16" HSS Polished Jobber Length Drill Bit, DWDP Series SKU 13805 $0.84
- Approved Vendor 1/16" HSS Split Point Jobber Length Drill Bit, D/ASP Series SKU 13808 $1.11
- Approved Vendor 1/16" HSS Split Point Jobber Length Drill Bit, DWDSP Series SKU 13809 $0.97
- Approved Vendor 1/16" HSS Split Point Stub Drill Bit, D/AST Series SKU 13810 $1.10
- Approved Vendor 1/16" HSS Split Point Stub Drill Bit, DWDST Series SKU 13811 $0.81
- Approved Vendor 1/16" HSS Taper Length Drill Bit SKU 13815 $2.84
- Approved Vendor 1/16" Solid Carbide Drill Bit SKU 13821 $12.03
- Approved Vendor 1/16" Tin Coated Jobber Length Drill Bit SKU 13822 $2.57