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 35
- Approved Vendor #68 HSS Black Oxide 118° Standard Point Jobber Length Drill Bit SKU 10834 $2.90
- Drill America #68 HSS Black Oxide Jobber Length Drill Bit, D/AN Series SKU 10835 $1.35
- Drill America #68 HSS Black Oxide Jobber Length Drill Bit, DWDN Series SKU 10836 $0.79
- Approved Vendor #68 HSS Cobalt 135° Split Point Jobber Length Drill Bit SKU 10837 $7.49
- Approved Vendor #68 HSS Polished 118° Standard Point Jobber Length Drill Bit SKU 10838 $4.58
- Approved Vendor #68 HSS Polished Jobber Length Drill Bit, D/AP Series SKU 10839 $1.35
- Approved Vendor #68 HSS Taper Length Drill Bit SKU 10840 $4.85
- Approved Vendor #69 Cobalt Jobber Length Drill Bit, D/ACO Series SKU 10841 $4.11
- Drill America #69 Cobalt Jobber Length Drill Bit, DWDCO Series SKU 10842 $2.62
- Approved Vendor #69 HSS Black Oxide 118° Standard Point Jobber Length Drill Bit SKU 10843 $2.90
- Drill America #69 HSS Black Oxide Jobber Length Drill Bit, D/AN Series SKU 10844 $1.65
- Drill America #69 HSS Black Oxide Jobber Length Drill Bit, DWDN Series SKU 10845 $0.79
- Approved Vendor #69 HSS Cobalt 135° Split Point Jobber Length Drill Bit SKU 10846 $8.41
- Approved Vendor #69 HSS Polished 118° Standard Point Jobber Length Drill Bit SKU 10847 $5.49
- Approved Vendor #69 HSS Polished Jobber Length Drill Bit, D/AP Series SKU 10848 $1.65
- Approved Vendor #69 HSS Taper Length Drill Bit SKU 10849 $4.85
- Approved Vendor #7 Carbide Tipped Jobber Length Drill Bit SKU 10945 $38.34
- Approved Vendor #7 Cobalt Jobber Length Drill Bit, D/ACO Series SKU 10948 $3.71
- Drill America #7 Cobalt Jobber Length Drill Bit, DWDCO Series SKU 10949 $2.69
- Approved Vendor #7 Cobalt Long Threaded Shank Drill Bit SKU 10950 $5.57
- Approved Vendor #7 Cobalt Short Threaded Shank Drill Bit SKU 10951 $5.37
- Approved Vendor #7 Cobalt Split Point Stub Drill Bit SKU 10952 $3.53
- Approved Vendor #7 Cobalt Stubby Threaded Shank Drill Bit SKU 10953 $5.77
- Approved Vendor #7 HSS Black & Gold 135° Split Point Jobber Length Drill Bit SKU 10954 $6.34
- Drill America #7 HSS Black & Gold KFD Split Point Jobber Length Drill Bit Killer Force Drill Bit SKU 10955 $1.81
- Approved Vendor #7 HSS Black Oxide 118° Standard Point Jobber Length Drill Bit SKU 10956 $4.14
- Approved Vendor #7 HSS Black Oxide 135° Split Point Jobber Length Drill Bit SKU 10957 $5.83
- Drill America #7 HSS Black Oxide Jobber Length Drill Bit, D/AN Series SKU 10958 $1.98
- Drill America #7 HSS Black Oxide Jobber Length Drill Bit, DWDN Series SKU 10959 $1.09
- Approved Vendor #7 HSS Cobalt 118° Standard Point Jobber Length Drill Bit SKU 10960 $8.99
- Approved Vendor #7 HSS Left Hand Jobber Length Drill Bit SKU 10962 $5.03
- Approved Vendor #7 HSS Polished 118° Standard Point Jobber Length Drill Bit SKU 10963 $6.86
- Approved Vendor #7 HSS Polished Jobber Length Drill Bit, D/AP Series SKU 10964 $1.98
- Approved Vendor #7 HSS Split Point Jobber Length Drill Bit, D/ASP Series SKU 10966 $2.19
- Approved Vendor #7 HSS Split Point Jobber Length Drill Bit, DWDSP Series SKU 10967 $1.64
- Approved Vendor #7 HSS Split Point Stub Drill Bit, D/AST Series SKU 10968 $1.79
- Approved Vendor #7 HSS Split Point Stub Drill Bit, DWDST Series SKU 10969 $1.49
- Approved Vendor #7 HSS Taper Length Drill Bit SKU 10972 $9.64
- Approved Vendor #7 Regular HSS Combined Drill Bit and Countersink SKU 10973 $8.97
- Approved Vendor #7 Solid Carbide Drill Bit SKU 10975 $37.36
- Approved Vendor #7 Tin Coated Jobber Length Drill Bit SKU 10994 $5.68
- Drill America #7 x 12" HSS Aircraft Extension Drill Bit, DWDA/C SKU 10997 $9.54
- Drill America #7 x 6" HSS Aircraft Extension Drill Bit, DWDA/C SKU 11000 $3.80
- Bondhus #70 Cobalt Jobber Length Drill Bit, D/ACO Series SKU 11006 $4.11
- Drill America #70 Cobalt Jobber Length Drill Bit, DWDCO Series SKU 11007 $2.62
- Bondhus #70 HSS Black Oxide 118° Standard Point Jobber Length Drill Bit SKU 11008 $2.90
- Drill America #70 HSS Black Oxide Jobber Length Drill Bit, D/AN Series SKU 11009 $1.65
- Drill America #70 HSS Black Oxide Jobber Length Drill Bit, DWDN Series SKU 11010 $0.79