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 33
- Approved Vendor #6 HSS Polished 118° Standard Point Jobber Length Drill Bit SKU 10184 $7.48
- Approved Vendor #6 HSS Polished Jobber Length Drill Bit, D/AP Series SKU 10185 $2.19
- Approved Vendor #6 HSS Split Point Jobber Length Drill Bit, D/ASP Series SKU 10187 $2.33
- Approved Vendor #6 HSS Split Point Jobber Length Drill Bit, DWDSP Series SKU 10188 $1.80
- Approved Vendor #6 HSS Split Point Stub Drill Bit, D/AST Series SKU 10189 $1.96
- Approved Vendor #6 HSS Split Point Stub Drill Bit, DWDST Series SKU 10190 $1.64
- Approved Vendor #6 HSS Taper Length Drill Bit SKU 10193 $9.64
- Approved Vendor #6 Regular HSS Combined Drill Bit and Countersink SKU 10199 $6.70
- Approved Vendor #6 Solid Carbide Combined Drill Bit and Countersink SKU 10203 $108.84
- Approved Vendor #6 Solid Carbide Drill Bit SKU 10204 $33.70
- Approved Vendor #6 Tin Coated Jobber Length Drill Bit SKU 10301 $6.03
- DeWalt #6 Wire Cobalt Jobber Length Drill SKU 115-DD4206B12 $3.49
- Drill America #6 x 12" HSS Aircraft Extension Drill Bit, DWDA/C SKU 10308 $9.54
- Drill America #6 x 6" HSS Aircraft Extension Drill Bit, DWDA/C SKU 10312 $3.80
- Approved Vendor #6-32 HSS Combined Drill Bit & Tap (Drap) SKU 10356 $24.35
- Approved Vendor #60 Cobalt Jobber Length Drill Bit, D/ACO Series SKU 10750 $2.27
- Drill America #60 Cobalt Jobber Length Drill Bit, DWDCO Series SKU 10751 $1.69
- Approved Vendor #60 Cobalt Split Point Stub Drill Bit SKU 10752 $2.26
- Approved Vendor #60 HSS Black & Gold 135° Split Point Jobber Length Drill Bit SKU 10753 $3.30
- Drill America #60 HSS Black & Gold KFD Split Point Jobber Length Drill Bit Killer Force Drill Bit SKU 10754 $0.93
- Approved Vendor #60 HSS Black Oxide 118° Standard Point Jobber Length Drill Bit SKU 10755 $2.74
- Drill America #60 HSS Black Oxide Jobber Length Drill Bit, D/AN Series SKU 10756 $1.26
- Drill America #60 HSS Black Oxide Jobber Length Drill Bit, DWDN Series SKU 10757 $0.74
- Approved Vendor #60 HSS Cobalt 135° Split Point Jobber Length Drill Bit SKU 10758 $5.59
- Approved Vendor #60 HSS Left Hand Jobber Length Drill Bit SKU 10759 $3.11
- Approved Vendor #60 HSS Polished 118° Standard Point Jobber Length Drill Bit SKU 10760 $4.31
- Approved Vendor #60 HSS Polished Jobber Length Drill Bit, D/AP Series SKU 10761 $1.26
- Approved Vendor #60 HSS Split Point Stub Drill Bit, D/AST Series SKU 10762 $1.22
- Approved Vendor #60 HSS Split Point Stub Drill Bit, DWDST Series SKU 10763 $0.99
- Approved Vendor #60 HSS Taper Length Drill Bit SKU 10765 $3.74
- Approved Vendor #60 Solid Carbide Drill Bit SKU 10766 $16.70
- Drill America #60 x 12" HSS Aircraft Extension Drill Bit, DWDA/C SKU 10767 $14.55
- Drill America #60 x 6" HSS Aircraft Extension Drill Bit, DWDA/C SKU 10768 $7.96
- Approved Vendor #61 Cobalt Jobber Length Drill Bit, D/ACO Series SKU 10769 $3.45
- Drill America #61 Cobalt Jobber Length Drill Bit, DWDCO Series SKU 10770 $2.19
- Approved Vendor #61 HSS Black Oxide 118° Standard Point Jobber Length Drill Bit SKU 10771 $2.90
- Drill America #61 HSS Black Oxide Jobber Length Drill Bit, D/AN Series SKU 10772 $1.35
- Drill America #61 HSS Black Oxide Jobber Length Drill Bit, DWDN Series SKU 10773 $0.79
- Approved Vendor #61 HSS Cobalt 135° Split Point Jobber Length Drill Bit SKU 10774 $7.11
- Approved Vendor #61 HSS Polished 118° Standard Point Jobber Length Drill Bit SKU 10775 $4.58
- Approved Vendor #61 HSS Polished Jobber Length Drill Bit, D/AP Series SKU 10776 $1.35
- Approved Vendor #61 HSS Taper Length Drill Bit SKU 10777 $4.00
- Approved Vendor #62 Cobalt Jobber Length Drill Bit, D/ACO Series SKU 10778 $3.45
- Drill America #62 Cobalt Jobber Length Drill Bit, DWDCO Series SKU 10779 $2.19
- Approved Vendor #62 HSS Black Oxide 118° Standard Point Jobber Length Drill Bit SKU 10780 $2.90
- Drill America #62 HSS Black Oxide Jobber Length Drill Bit, D/AN Series SKU 10781 $1.35
- Drill America #62 HSS Black Oxide Jobber Length Drill Bit, DWDN Series SKU 10782 $0.79
- Approved Vendor #62 HSS Cobalt 135° Split Point Jobber Length Drill Bit SKU 10783 $7.11