Airtek Ltd. — 514-336-3820 — sales@airtekltd.com — www.airtekltd.com

Cutting Tools
Threadwell Taps
Series 623 Straight Flute Pulley Taps

pulley tap

Pulley taps have the same major and pitch diameters as hand taps.
They have a longer shank to extend through the rim and tap the hub of pulleys.

Available in plug style only.

Tap
Sizes
Number of
Flutes
Thread
Length
Shank
Diameter
Overall Length
6 8 10 12
1/4-20 4 1 .255 60736 60737
5/16-18 4 1-1/16 .318 60738 60739
3/8-16 4 1-1/4 .381 60740 60741 60742
7/16-14 4 1-7/16 .444 60743 60744
1/2-13 4 1-21/32 .507 60745 60746 60747 60748
5/8-11 4 1-13/16 .633 60749 60750 60751 60752
3/4-10 4 2 .759 60753 60754

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Series 624 Straight Flute Nut Taps

nut tap

Used for tapping nuts in nut tapping machines.
They have a relatively long shank which is smaller than the minor diameter to permit the accumulation of several nuts while tapping.
Available Chamfer 1/2 the thread length.

Tap
Size
Number of
Flutes
Overall
Length
Thread
Length
Shank
Diameter
H3
Chamfer
1/4-20 4 5 1-5/8 .185 60721
5/16-18 4 5-1/2 1-13/16 .240 60722
3/8-16 4 6 2 .294 60723
1/2-13 4 7 2-1/2 .400 60724

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Series 627STI - Screw Thread Insert Taps

screw thread interupt tap

STI (screw thread inserts) taps are slightly oversize to produce threads to accommodate helical wire screw inserts of the same size and pitch.
STI taps are also ideal for short run production tapping in shallow blind or through holes.

Available in plug and bottoming styles.

Tap
Size
Number of
Flutes
H1 H2 H3
Plug Bottoming Plug Bottoming Plug Bottoming
4-40 3 60503 60504 60505 60506
6-32 3 60507 60508 60509 60510
8-32 3 60511 60512 60513 60514
10-24 3 60515 60516 60517 60518
10-32 3 60519 60520 60521 60522
1/4-20 3 60523 60524 60525 60526
1/4-28 3 60527 60528 60529 60530
5/16-18 4 60531 60532
5/16-24 4 60533 60534 60535 60536
3/8-16 4 60537 60538
3/8-24 4 60539 60540 60541 60542
7/16-14 4 60543 60544
7/16-20 4 60545 60546
1/2-13 4 60547 60548
1/2-20 4 60549 60550

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Series 629STI - Screw Thread Insert Spiral Point Taps

sti spiral point tap

Suited to high production tapping of through holes in most materials where wire inserts are to be used.
The extra strength and shearing cut of these taps provides easier trouble free tapping.

Available in plug style only.

Tap
Size
Number of
Flutes
H2 H3
4-40 2 60697
6-32 2 60698 60699
8-32 2 60700 60701
10-24 2 60702
10-32 2 60703 60704
1/4-20 2 60705 60706
1/4-28 2 60707 60708
 

Due to the fact that we are continuously improving our products, the descriptions, illustrations,
specifications,dimensions, and part numbers are subject to change without notice.
Every effort has been made to have the information on this site error free, we can not be responsible for errors and or omissions.

Airtek Ltd., 5750 Donahue St., Montreal, Qc, Canada, H4S 1C1
Tel: 514-336-3820