Combined Drill & Countersink

Combined Drill & Countersink

Made in USA since 1992

Which material is right for your job?

Carbide - Long Length
Carbide - Long Length
Carbide
Carbide Stiffest — resists point wander Wants a rigid setup Best for Production centering, harder material
Cobalt
Cobalt M42 — holds hardness under heat Tougher than carbide under load Best for Stainless and tough alloys, sizes 1 to 4
HSS
HSS Widest size range, 00000 to 8 Regular and long length Best for General lathe work and hole starting

Combined drill and countersink tools, also known as center drills, are used to create an accurate starting point and countersunk center for lathe work or precision hole starting ahead of a full-size drill. We stock these in Carbide, Cobalt, and HSS, with HSS available in both Regular Length and Long Length.

A clean, accurately placed center drill point prevents drill wander on the next operation, which matters most on tight-tolerance or deep-hole work. All combined drill and countersink tools are manufactured in the USA and stocked for same-day shipping.

  • Compare SKU Vendor Size Drill Diameter (D1) Shank Diameter Body Diameter (D2) Overall Length (L1) Included Angle Number of Flutes Package Qty Coating In Stock Price Quantity
    A79390 ACT 4-1/2x6 9/64 3/8 6 60° 1 ALTiN 100
    $10.02
  • A79389 ACT 4-1/2x5 9/64 3/8 5 60° 1 ALTiN 100
    $9.28
  • A79357 ACT 11 3/64 1/8 1-1/4 60° 6 Uncoated 100
    $7.79
  • A79066 ACT 1 X 4 3/64 1/8 4.0000 (4) 60° 1 Uncoated 35
    $97.87
  • A79064 ACT 00 0.0250 1/8 1.2500 (1-1/4) 60° 1 Uncoated 6
    $29.73
  • A56065 ACT 00 3/64 1/8 1-1/2 60° 1 Uncoated 100
    $26.17
  • A47117 ACT 1x3 3/64 1/8 3 60° 1 Uncoated 42
    $16.49
  • A47002 ACT 00000 3/64 1/8 1-1/4 60° 6 Uncoated 38
    $12.00
  • A79373 ACT 1x3 3/64 1/8 3 60° 1 ALTiN 100
    $20.62
  • A79365 ACT 11 3/64 1/8 1-1/4 60° 6 ALTiN 100
    $8.18
  • A79076 ACT 1 X 4 3/64 1/8 4.0000 (4) 60° 1 ALTiN 10
    $107.12
  • A79065 ACT 0 0.0313 1/8 1.2500 (1-1/4) 60° 1 Uncoated 32
    $29.73
  • A72543 ACT 00000 3/64 1/8 1-1/4 60° 6 ALTiN 26
    $16.28
  • A57826 ACT 00 3/64 1/8 1-1/2 60° 1 ALTiN 35
    $31.79
  • A79358 ACT 12 1/16 3/16 1-7/8 60° 6 Uncoated 100
    $8.33
  • A79077 ACT 00 0.0250 1/8 1.2500 (1-1/4) 60° 1 ALTiN 6
    $34.63
  • A79067 ACT 2 X 4 5/64 3/16 4.0000 (4) 60° 1 Uncoated 80
    $103.90
  • A56064 ACT 0 1/32 1/8 1-1/2 60° 1 Uncoated 100
    $25.11
  • A47118 ACT 1x4 3/64 1/8 4 60° 1 Uncoated 100
    $17.48
  • A47001 ACT 0000 3/64 1/8 1-1/4 60° 6 Uncoated 38
    $10.97
  • A79374 ACT 1x4 3/64 1/8 4 60° 1 ALTiN 100
    $21.89
  • A79366 ACT 12 1/16 3/16 1-7/8 60° 6 ALTiN 100
    $8.74
  • A79081 ACT 2 X 4 5/64 3/16 4.0000 (4) 60° 1 ALTiN 3
    $114.25
  • A79078 ACT 0 0.0313 1/8 1.2500 (1-1/4) 60° 1 ALTiN 24
    $34.63
  • A72544 ACT 0000 3/64 1/8 1-1/4 60° 6 ALTiN 20
    $15.63
  • A57827 ACT 0 1/32 1/8 1-1/2 60° 1 ALTiN 39
    $30.80
  • A79359 ACT 13 3/32 1/4 2 60° 6 Uncoated 100
    $10.31
  • A79068 ACT 3 X 4 7/64 1/4 4.0000 (4) 60° 1 Uncoated 84
    $109.10
  • A47119 ACT 1x5 3/64 1/8 5 60° 1 Uncoated 40
    $24.13
  • A47021 ACT 1 3/64 1/8 1-1/2 60° 1 Uncoated 100
    $22.76
  • A47017 ACT 1 3/64 1/8 1-1/4 60° 6 Uncoated 100
    $20.36
  • A47000 ACT 000 3/64 1/8 1-1/4 60° 6 Uncoated 68
    $10.47
  • A79375 ACT 1x5 3/64 1/8 5 60° 1 ALTiN 100
    $28.90
  • A79367 ACT 13 3/32 1/4 2 60° 6 ALTiN 100
    $10.82
  • A79069 ACT 3 X 6 7/64 1/4 6.0000 (6) 60° 1 Uncoated 44
    $119.73
  • A72545 ACT 000 3/64 1/8 1-1/4 60° 6 ALTiN 18
    $14.96
  • A72539 ACT 1 3/64 1/8 1-1/4 60° 6 ALTiN 44
    $25.11
  • A57828 ACT 1 3/64 1/8 1-1/2 60° 1 ALTiN 100
    $28.53
  • A79360 ACT 14 7/64 5/16 2-1/8 60° 6 Uncoated 100
    $12.25
  • A79082 ACT 3 X 4 7/64 1/4 4.0000 (4) 60° 1 ALTiN 16
    $121.51
  • A47120 ACT 1x6 3/64 1/8 6 60° 1 Uncoated 22
    $31.59
  • A47022 ACT 2 3/64 3/16 2 60° 1 Uncoated 100
    $33.97
  • A47018 ACT 2 3/64 3/16 1-7/8 60° 6 Uncoated 100
    $21.85
  • A46999 ACT 00 3/64 1/8 1-1/4 60° 6 Uncoated 100
    $10.47
  • A79376 ACT 1x6 3/64 1/8 6 60° 1 ALTiN 100
    $36.74
  • A79368 ACT 14 7/64 5/16 2-1/8 60° 6 ALTiN 100
    $12.86
  • A79083 ACT 3 X 6 7/64 1/4 6.0000 (6) 60° 1 ALTiN 7
    $134.21
  • A72540 ACT 2 3/64 3/16 1-7/8 60° 6 ALTiN 56
    $27.29
  • A57829 ACT 2 3/64 3/16 2 60° 1 ALTiN 100
    $40.33
  • A47084 ACT 00 3/64 1/8 1-1/4 60° 6 ALTiN 100
    $14.23
  • A79361 ACT 15 5/32 7/16 2-3/4 60° 1 Uncoated 100
    $17.65
  • A79070 ACT 4 X 4 1/8 5/16 4.0000 (4) 60° 1 Uncoated 100
    $164.39
  • A47121 ACT 2x3 3/64 3/16 3 60° 1 Uncoated 56
    $16.86
  • A47023 ACT 3 3/64 1/4 2 60° 1 Uncoated 27
    $38.22
  • A47019 ACT 3 3/64 1/4 2 60° 6 Uncoated 100
    $22.76
  • A47011 ACT 0 3/64 1/8 1-1/4 60° 6 Uncoated 100
    $10.97
  • A79377 ACT 2x3 5/64 3/16 3 60° 1 ALTiN 100
    $21.52
  • A79369 ACT 15 5/32 7/16 2-3/4 60° 1 ALTiN 100
    $18.53
  • A79071 ACT 4 X 5 1/8 5/16 5.0000 (5) 60° 1 Uncoated 33
    $178.69
  • A72541 ACT 3 3/64 1/4 2 60° 6 ALTiN 32
    $29.19
  • A57830 ACT 3 3/64 1/4 2 60° 1 ALTiN 78
    $45.77
  • A47083 ACT 0 3/64 1/8 1-1/4 60° 6 ALTiN 100
    $14.23
  • A79362 ACT 16 3/16 1/2 3 60° 1 Uncoated 100
    $19.67
  • A79072 ACT 4 X 6 1/8 5/16 6.0000 (6) 60° 1 Uncoated 15
    $184.79
  • A47122 ACT 2x4 3/64 3/16 4 60° 1 Uncoated 100
    $18.85
  • A47024 ACT 4 3/64 5/16 2-1/8 60° 1 Uncoated Available to Order*
    $49.60
  • A47020 ACT 4 3/64 5/16 2-1/8 60° 6 Uncoated 100
    $23.83
  • A47003 ACT 1 3/64 1/8 1-1/4 60° 6 Uncoated 100
    $6.60
  • A79378 ACT 2x4 5/64 3/16 4 60° 1 ALTiN 100
    $23.91
  • A79370 ACT 16 3/16 1/2 3 60° 1 ALTiN 100
    $20.65
  • A79084 ACT 4 X 4 1/8 5/16 4.0000 (4) 60° 1 ALTiN 6
    $179.31
  • A72542 ACT 4 3/64 5/16 2-1/8 60° 6 ALTiN 38
    $31.95
  • A57831 ACT 4 3/64 5/16 2-1/8 60° 1 ALTiN 37
    $59.25
  • A47075 ACT 1 3/64 1/8 1-1/4 60° 6 ALTiN 100
    $10.76
  • A79363 ACT 17 7/32 5/8 3-1/4 60° 1 Uncoated 100
    $29.03
  • A79085 ACT 4 X 5 1/8 5/16 5.0000 (5) 60° 1 ALTiN 16
    $194.77
  • A79063 ACT 5 3/16 7/16 2.7500 (2-3/4) 60° 1 Uncoated 73
    $28.08
  • A47123 ACT 2x5 3/64 3/16 5 60° 1 Uncoated 35
    $24.41
  • A47025 ACT 5 3/64 7/16 2-3/4 60° 1 Uncoated 100
    $78.18
  • A47004 ACT 2 3/64 3/16 1-7/8 60° 6 Uncoated 100
    $6.89
  • A79379 ACT 2x5 5/64 3/16 5 60° 1 ALTiN 100
    $29.81
  • A79371 ACT 17 7/32 5/8 3-1/4 60° 1 ALTiN 100
    $30.48
  • A79086 ACT 4 X 6 1/8 5/16 6.0000 (6) 60° 1 ALTiN 14
    $202.24
  • A79079 ACT 5 3/16 7/16 2.7500 (2-3/4) 60° 1 ALTiN 22
    $39.74
  • A57832 ACT 5 3/64 7/16 2-3/4 60° 1 ALTiN 59
    $93.02
  • A47076 ACT 2 3/64 3/16 1-7/8 60° 6 ALTiN 100
    $11.01
  • A79364 ACT 18 1/4 3/4 3-1/2 60° 1 Uncoated 100
    $38.51
  • A79073 ACT 5 X 5 3/16 7/16 5.0000 (5) 60° 1 Uncoated 48
    $245.77
  • A79062 ACT 6 7/32 1/2 3.0000 (3) 60° 1 Uncoated 52
    $43.66
  • A47124 ACT 2x6 3/64 3/16 6 60° 1 Uncoated 100
    $31.53
  • A47026 ACT 6 3/64 1/2 3 60° 1 Uncoated 100
    $112.85
  • A47005 ACT 3 3/64 1/4 2 60° 6 Uncoated 100
    $7.17
  • A79380 ACT 2x6 5/64 3/16 6 60° 1 ALTiN 100
    $37.44
  • A79372 ACT 18 1/4 3/4 3-1/2 60° 1 ALTiN 100
    $40.43
  • A79080 ACT 6 7/32 1/2 3.0000 (3) 60° 1 ALTiN 17
    $57.31
  • A79074 ACT 5 X 6 3/16 7/16 6.0000 (6) 60° 1 Uncoated 19
    $251.84
  • A57833 ACT 6 3/64 1/2 3 60° 1 ALTiN 24
    $133.74
  • A47077 ACT 3 3/64 1/4 2 60° 6 ALTiN 80
    $13.81
  • A79341 ACT 00 .025 1/8 1-1/2 90° 1 Uncoated 100
    $26.18
  • A79087 ACT 5 X 5 3/16 7/16 5.0000 (5) 60° 1 ALTiN 21
    $268.00

* Lead times can vary from 1–10 business days. Call (908) 98-ATLAS or email sales@atlascuttingtools.com for details.

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