HSS

HSS

Screw & Fractional Size
Screw & Fractional Size
Metric
Metric
Pipe Pulley Thread Forming
Pipe Pulley Thread Forming
Straight Spiral Flute
Straight Spiral Flute

Our standard HSS tap selection covers Screw & Fractional sizing, Metric threads, Pipe & Pulley Thread Forming taps, and Straight Spiral Flute styles for improved chip control. HSS taps remain the standard choice for general-purpose threading work across a wide range of materials and shop setups, from manual tapping to lower-speed machine tapping.

As with the rest of our tap line, every HSS tap is manufactured in the USA using domestic materials, with same-day shipping on in-stock sizes and a 97% fill rate.

  • Compare SKU Vendor Size Shank Diameter Overall Length H Limit D Limit NC / NF Square Size Square Length Thread Length Number of Lube Grooves Number of Flutes Style Material Coating In Stock Price Quantity
    A54331 ACT 9/16-12 0.429 3-19/32 H3 4 Plug HSS Uncoated 35
    $22.89
  • A54338 ACT 9/16-12 0.429 3-19/32 H5 4 Plug HSS Uncoated 15
    $24.74
  • A54334 ACT 9/16-12 0.429 3-19/32 H3 4 Bottoming HSS Uncoated 62
    $22.89
  • A54339 ACT 9/16-12 0.429 3-19/32 H5 4 Bottoming HSS Uncoated 26
    $24.74
  • A54341 ACT 9/16-18 0.429 3-19/32 H3 4 Taper HSS Uncoated 55
    $22.89
  • A54340 ACT 9/16-18 0.429 3-19/32 H2 4 Plug HSS Uncoated 30
    $24.74
  • A54343 ACT 9/16-18 0.429 3-19/32 H3 4 Plug HSS Uncoated 62
    $22.89
  • A54350 ACT 9/16-18 0.429 3-19/32 H5 4 Plug HSS Uncoated 7
    $24.74
  • A54346 ACT 9/16-18 0.429 3-19/32 H3 4 Bottoming HSS Uncoated 71
    $22.89
  • A54351 ACT 9/16-18 0.429 3-19/32 H5 4 Bottoming HSS Uncoated 21
    $24.74
  • A54354 ACT 5/8-11 0.48 3-13/16 H3 4 Taper HSS Uncoated Available to Order*
    $27.34
  • A54356 ACT 5/8-11 0.48 3-13/16 H3 4 Plug HSS Uncoated 100
    $27.34
  • A54363 ACT 5/8-11 0.48 3-13/16 H5 4 Plug HSS Uncoated 35
    $31.39
  • A54359 ACT 5/8-11 0.48 3-13/16 H3 4 Bottoming HSS Uncoated 100
    $27.34
  • A54364 ACT 5/8-11 0.48 3-13/16 H5 4 Bottoming HSS Uncoated 16
    $31.39
  • A54368 ACT 5/8-18 0.48 3-13/16 H3 4 Taper HSS Uncoated 34
    $27.34
  • A54366 ACT 5/8-18 0.48 3-13/16 H2 4 Plug HSS Uncoated 22
    $31.39
  • A54370 ACT 5/8-18 0.48 3-13/16 H3 4 Plug HSS Uncoated 74
    $27.34
  • A54367 ACT 5/8-18 0.48 3-13/16 H2 4 Bottoming HSS Uncoated 22
    $31.39
  • A54373 ACT 5/8-18 0.48 3-13/16 H3 4 Bottoming HSS Uncoated 24
    $27.34
  • A54379 ACT 11/16-11 0.542 4-1/32 H3 4 Taper HSS Uncoated 43
    $33.98
  • A54381 ACT 11/16-11 0.542 4-1/32 H3 4 Plug HSS Uncoated 43
    $33.98
  • A54384 ACT 11/16-11 0.542 4-1/32 H3 4 Bottoming HSS Uncoated 21
    $33.98
  • A54388 ACT 11/16-16 0.542 4-1/32 H3 4 Taper HSS Uncoated 15
    $33.98
  • A54390 ACT 11/16-16 0.542 4-1/32 H3 4 Plug HSS Uncoated 23
    $33.98
  • A54393 ACT 11/16-16 0.542 4-1/32 H3 4 Bottoming HSS Uncoated 19
    $33.98
  • A54399 ACT 3/4-10 0.59 4-1/4 H3 4 Taper HSS Uncoated 33
    $38.14
  • A54398 ACT 3/4-10 0.59 4-1/4 H2 4 Plug HSS Uncoated 20
    $41.23
  • A54401 ACT 3/4-10 0.59 4-1/4 H3 4 Plug HSS Uncoated 78
    $38.14
  • A54408 ACT 3/4-10 0.59 4-1/4 H5 4 Plug HSS Uncoated 9
    $41.23
  • A54404 ACT 3/4-10 0.59 4-1/4 H3 4 Bottoming HSS Uncoated 100
    $38.14
  • A54409 ACT 3/4-10 0.59 4-1/4 H5 4 Bottoming HSS Uncoated 17
    $41.23
  • A54412 ACT 3/4-16 0.59 4-1/4 H3 4 Taper HSS Uncoated 47
    $38.14
  • A54411 ACT 3/4-16 0.59 4-1/4 H2 4 Plug HSS Uncoated 68
    $41.23
  • A54414 ACT 3/4-16 0.59 4-1/4 H3 4 Plug HSS Uncoated 11
    $38.14
  • A54421 ACT 3/4-16 0.59 4-1/4 H5 4 Plug HSS Uncoated 38
    $41.23
  • A54417 ACT 3/4-16 0.59 4-1/4 H3 4 Bottoming HSS Uncoated 35
    $38.14
  • A54422 ACT 3/4-16 0.59 4-1/4 H5 4 Bottoming HSS Uncoated 59
    $41.23
  • A54424 ACT 7/8-9 0.697 4-11/16 H4 4 Taper HSS Uncoated Available to Order*
    $53.15
  • A54426 ACT 7/8-9 0.697 4-11/16 H4 4 Plug HSS Uncoated 33
    $53.15
  • A54433 ACT 7/8-9 0.697 4-11/16 H6 4 Plug HSS Uncoated 68
    $56.03
  • A54429 ACT 7/8-9 0.697 4-11/16 H4 4 Bottoming HSS Uncoated 79
    $53.15
  • A54446 ACT 1-8 0.8 5-1/8 H4 4 Taper HSS Uncoated 43
    $70.60
  • A54435 ACT 7/8-14 0.697 4-11/16 H4 4 Taper HSS Uncoated Available to Order*
    $53.15
  • A54445 ACT 1-8 0.8 5-1/8 H2 4 Plug HSS Uncoated 6
    $73.07
  • A54434 ACT 7/8-14 0.697 4-11/16 H2 4 Plug HSS Uncoated 34
    $56.03
  • A54448 ACT 1-8 0.8 5-1/8 H4 4 Plug HSS Uncoated 5
    $70.60
  • A54437 ACT 7/8-14 0.697 4-11/16 H4 4 Plug HSS Uncoated 9
    $53.15
  • A54455 ACT 1-8 0.8 5-1/8 H6 4 Plug HSS Uncoated 11
    $73.07
  • A54444 ACT 7/8-14 0.697 4-11/16 H6 4 Plug HSS Uncoated 100
    $56.03
  • A54451 ACT 1-8 0.8 5-1/8 H4 4 Bottoming HSS Uncoated 1
    $70.60
  • A54440 ACT 7/8-14 0.697 4-11/16 H4 4 Bottoming HSS Uncoated 41
    $53.15
  • A54456 ACT 1-12 0.8 5-1/8 H4 4 Taper HSS Uncoated 41
    $70.60
  • A54458 ACT 1-12 0.8 5-1/8 H4 4 Plug HSS Uncoated 15
    $70.60
  • A54461 ACT 1-12 0.8 5-1/8 H4 4 Bottoming HSS Uncoated 23
    $70.60
  • A54466 ACT 1-14 0.8 5-1/8 H4 4 Taper HSS Uncoated 2
    $70.60
  • A54475 ACT 1-14 0.8 5-1/8 H6 4 Taper HSS Uncoated 19
    $73.07
  • A54465 ACT 1-14 0.8 5-1/8 H2 4 Plug HSS Uncoated 12
    $73.07
  • A54468 ACT 1-14 0.8 5-1/8 H4 4 Plug HSS Uncoated 18
    $70.60
  • A54476 ACT 1-14 0.8 5-1/8 H6 4 Plug HSS Uncoated 21
    $73.07
  • A54471 ACT 1-14 0.8 5-1/8 H4 4 Bottoming HSS Uncoated 17
    $70.60
  • A54477 ACT 1-14 0.8 5-1/8 H6 4 Bottoming HSS Uncoated 9
    $73.07
  • A54478 ACT 1-1/8-7 0.896 5-7/16 H4 4 Taper HSS Uncoated 20
    $114.30
  • A54480 ACT 1-1/8-7 0.896 5-7/16 H4 4 Plug HSS Uncoated 16
    $114.30
  • A54483 ACT 1-1/8-7 0.896 5-7/16 H4 4 Bottoming HSS Uncoated 23
    $114.30
  • A54487 ACT 1-1/8-12 0.896 5-7/16 H4 4 Taper HSS Uncoated 10
    $121.02
  • A54489 ACT 1-1/8-12 0.896 5-7/16 H4 4 Plug HSS Uncoated 19
    $121.02
  • A54492 ACT 1-1/8-12 0.896 5-7/16 H4 4 Bottoming HSS Uncoated 5
    $121.02
  • A54496 ACT 1-1/4-7 1.021 5-3/4 H4 4 Taper HSS Uncoated Available to Order*
    $150.00
  • A54498 ACT 1-1/4-7 1.021 5-3/4 H4 4 Plug HSS Uncoated 20
    $150.00
  • A54501 ACT 1-1/4-7 1.021 5-3/4 H4 4 Bottoming HSS Uncoated 19
    $150.00
  • A54505 ACT 1-1/4-12 1.021 5-3/4 H4 6 Taper HSS Uncoated 24
    $152.60
  • A54507 ACT 1-1/4-12 1.021 5-3/4 H4 6 Plug HSS Uncoated 20
    $152.60
  • A54510 ACT 1-1/4-12 1.021 5-3/4 H4 6 Bottoming HSS Uncoated 13
    $152.60
  • A54514 ACT 1-3/8-6 1.108 6-1/16 H4 4 Taper HSS Uncoated 18
    $189.42
  • A54516 ACT 1-3/8-6 1.108 6-1/16 H4 4 Plug HSS Uncoated 19
    $189.42
  • A54519 ACT 1-3/8-6 1.108 6-1/16 H4 4 Bottoming HSS Uncoated 21
    $189.42
  • A54523 ACT 1-3/8-12 1.108 6-1/16 H4 6 Taper HSS Uncoated 18
    $190.66
  • A54525 ACT 1-3/8-12 1.108 6-1/16 H4 6 Plug HSS Uncoated 100
    $190.66
  • A54528 ACT 1-3/8-12 1.108 6-1/16 H4 6 Bottoming HSS Uncoated 19
    $190.66
  • A54532 ACT 1-1/2-6 1.233 6-3/8 H4 4 Taper HSS Uncoated 10
    $218.69
  • A54534 ACT 1-1/2-6 1.233 6-3/8 H4 4 Plug HSS Uncoated 13
    $218.69
  • A54537 ACT 1-1/2-6 1.233 6-3/8 H4 4 Bottoming HSS Uncoated 6
    $218.69
  • A54541 ACT 1-1/2-12 1.233 6-3/8 H4 6 Taper HSS Uncoated 13
    $221.62
  • A54543 ACT 1-1/2-12 1.233 6-3/8 H4 6 Plug HSS Uncoated 10
    $221.62
  • A54546 ACT 1-1/2-12 1.233 6-3/8 H4 6 Bottoming HSS Uncoated 17
    $221.62

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

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