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 4
- Alfa Tool "T" Cobalt Split Point Jobber Drill SKU CO60220 $13.52
- Approved Vendor "T" HSS Black & Gold 135° Split Point Jobber Length Drill Bit SKU 6500 $21.33
- Approved Vendor "T" HSS Black Oxide 118° Standard Point Jobber Length Drill Bit SKU 6501 $10.16
- Approved Vendor "T" HSS Black Oxide 135° Split Point Jobber Length Drill Bit SKU 6502 $17.02
- Approved Vendor "T" HSS Cobalt 135° Split Point Jobber Length Drill Bit SKU 6503 $27.74
- Approved Vendor "T" HSS Polished 118° Standard Point Jobber Length Drill Bit SKU 6504 $18.58
- Alfa Tool "U" Cobalt Screw Machine Drill SKU SMCO60421 $14.66
- Alfa Tool "U" Cobalt Split Point Jobber Drill SKU CO60221 $13.52
- Approved Vendor "U" HSS Black & Gold 135° Split Point Jobber Length Drill Bit SKU 6505 $23.01
- Approved Vendor "U" HSS Black Oxide 118° Standard Point Jobber Length Drill Bit SKU 6506 $10.16
- Approved Vendor "U" HSS Black Oxide 135° Split Point Jobber Length Drill Bit SKU 6507 $18.23
- Approved Vendor "U" HSS Cobalt 135° Split Point Jobber Length Drill Bit SKU 6508 $27.74
- Approved Vendor "U" HSS Polished 118° Standard Point Jobber Length Drill Bit SKU 6509 $18.74
- Alfa Tool "V" Cobalt Screw Machine Drill SKU SMCO60422 $15.56
- Approved Vendor "V" HSS Black & Gold 135° Split Point Jobber Length Drill Bit SKU 6510 $23.01
- Approved Vendor "V" HSS Black Oxide 118° Standard Point Jobber Length Drill Bit SKU 6511 $10.41
- Approved Vendor "V" HSS Black Oxide 135° Split Point Jobber Length Drill Bit SKU 6512 $18.23
- Approved Vendor "V" HSS Cobalt 135° Split Point Jobber Length Drill Bit SKU 6513 $30.57
- Approved Vendor "V" HSS Polished 118° Standard Point Jobber Length Drill Bit SKU 6514 $19.33
- Alfa Tool "W" Cobalt Screw Machine Drill SKU SMCO60423 $16.22
- Approved Vendor "W" HSS Black & Gold 135° Split Point Jobber Length Drill Bit SKU 6515 $24.59
- Approved Vendor "W" HSS Black Oxide 118° Standard Point Jobber Length Drill Bit SKU 6516 $10.71
- Approved Vendor "W" HSS Black Oxide 135° Split Point Jobber Length Drill Bit SKU 6517 $19.50
- Alfa Tool "W" HSS Blitz Bit Jobber Length Drill SKU BB74223 $9.74
- Approved Vendor "W" HSS Cobalt 135° Split Point Jobber Length Drill Bit SKU 6518 $31.43
- Approved Vendor "W" HSS Polished 118° Standard Point Jobber Length Drill Bit SKU 6519 $20.58
- Alfa Tool "X" Cobalt Screw Machine Drill SKU SMCO60424 $17.98
- Approved Vendor "X" HSS Black & Gold 135° Split Point Jobber Length Drill Bit SKU 6520 $29.34
- Approved Vendor "X" HSS Black Oxide 118° Standard Point Jobber Length Drill Bit SKU 6521 $13.28
- Approved Vendor "X" HSS Black Oxide 135° Split Point Jobber Length Drill Bit SKU 6522 $22.62
- Alfa Tool "X" HSS Blitz Bit Jobber Length Drill SKU BB74224 $9.98
- Approved Vendor "X" HSS Cobalt 135° Split Point Jobber Length Drill Bit SKU 6523 $31.79
- Approved Vendor "X" HSS Polished 118° Standard Point Jobber Length Drill Bit SKU 6524 $21.18
- Alfa Tool "Y" Cobalt Screw Machine Drill SKU SMCO60425 $18.80
- Alfa Tool "Y" Cobalt Split Point Jobber Drill SKU CO60225 $17.50
- Approved Vendor "Y" HSS Black & Gold 135° Split Point Jobber Length Drill Bit SKU 6525 $31.22
- Approved Vendor "Y" HSS Black Oxide 118° Standard Point Jobber Length Drill Bit SKU 6526 $15.77
- Approved Vendor "Y" HSS Black Oxide 135° Split Point Jobber Length Drill Bit SKU 6527 $24.29
- Alfa Tool "Y" HSS Blitz Bit Jobber Length Drill SKU BB74225 $10.52
- Approved Vendor "Y" HSS Cobalt 135° Split Point Jobber Length Drill Bit SKU 6528 $33.64
- Approved Vendor "Y" HSS Polished 118° Standard Point Jobber Length Drill Bit SKU 6529 $25.69
- Alfa Tool "Z" Cobalt Screw Machine Drill SKU SMCO60426 $18.80
- Alfa Tool "Z" Cobalt Split Point Jobber Drill SKU CO60226 $17.82
- Approved Vendor "Z" HSS Black & Gold 135° Split Point Jobber Length Drill Bit SKU 6530 $33.67
- Approved Vendor "Z" HSS Black Oxide 118° Standard Point Jobber Length Drill Bit SKU 6531 $14.79
- Approved Vendor "Z" HSS Black Oxide 135° Split Point Jobber Length Drill Bit SKU 6532 $26.06
- Alfa Tool "Z" HSS Blitz Bit Jobber Length Drill SKU BB74226 $10.88
- Approved Vendor "Z" HSS Cobalt 135° Split Point Jobber Length Drill Bit SKU 6533 $36.54