Left Hand Taps and Dies :  Metric

picture of right hand tap

coarse thread  


Left-Hand taps and dies 

These hard-to-find Left-Hand taps and dies  can be indispensible for fabricating or repairing parts that have reversed screw threads, such as linkages or suspension components.

The left-hand taps and dies  are mirror image designs of right-hand taps and dies .

Left hand threads when required twist in a counter clockwise direction.

Screws are often tightened clockwise, which is why most threads are right-handed. Left-hand cutting threads are used if the screw could loosen due to stress.

Left handed threads are used to fasten rotating parts that rotate in anticlockwise direction and the motion tends to tighten the fastener.

 

 

Left Hand Metric Coarse thread

Order Left Hand Metric taps on line   add to cart

Order Left Hand Metric Dies on line   add to cart

THREAD DATA CHART: Metric Thread -- Coarse Pitch

Nominal Size ISO M Major Diameter mm Pitch mm Tap Drill Diameter mm
       
1.00 1.00 0.25 0.75
1.10 1.10 0.25 0.85
1.20 1.20 0.25 0.95
1.40 1.40 0.30 1.10
1.60 1.60 0.35 1.25
1.80 1.80 0.35 1.45
2.00 2.00 0.40 1.60
2.20 2.20 0.45 1.75
2.50 2.50 0.45 2.05
3.00 3.00 0.50 2.50
3.50 3.50 0.60 2.90
4.00 4.00 0.70 3.30
4.50 4.50 0.75 3.80
5.00 5.00 0.80 4.20
6.00 6.00 1.00 5.00
7.00 7.00 1.00 6.00
8.00 8.00 1.25 6.80
9.00 9.00 1.25 7.80
10.00 10.00 1.50 8.50
11.00 11.00 1.50 9.50
12.00 12.00 1.75 10.20
14.00 14.00 2.00 12.00
16.00 16.00 2.00 14.00
18.00 18.00 2.50 15.50
20.00 20.00 2.50 17.50
22.00 22.00 2.50 19.50
24.00 24.00 3.00 21.00
27.00 27.00 3.00 24.00
30.00 30.00 3.50 26.50
33.00 33.00 3.50 29.50
36.00 36.00 4.00 32.00
39.00 39.00 4.00 35.00
42.00 42.00 4.50 37.50
45.00 45.00 4.50 40.50
48.00 48.00 5.00 43.00
52.00 52.00 5.00 47.00
56.00 56.00 5.50 50.50
60.00 60.00 5.50 54.50
64.00 64.00 6.00 58.00
68.00 68.00 6.00 62.00

 

when ordering taps please specify the diameter and pitch and style of tap

examples

TAPM6X1LH-1 for M6 x 1 taper tap

TAPM6X1LH-2 for M6 x 1 plug tap

TAPM6X1LH-3 for M6 x 1 bottoming tap

We have a huge assortment of standard and special sizes including inch, metric sizes.

Did you know you can order special size taps manufactured in 24 hours?

link to index page


March 2022, June 2021

The descriptions, illustrations, specifications, dimensions, and part numbers are subject to change without notice.

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