TRUSCO hand tap for unified screw, SKS 1/4UNC20 set

[Features]
Used when creating and cleaning (cleaning) screw holes.
For screw thread correction and fabrication.

[Use]
Work material: iron, light metal.

【specification】
Set contents: front, middle, top
Accuracy: JIS grade 3
Nominal size: UNC1/4
Number of mountains: 20
Thread length (mm): 24
Total length (mm): 62
Shank diameter (mm): 6
Shank square part (mm): 4.5
Machined Thread: Unified Thread
Surface treatment: non-coating
Machined Thread: Unified Thread

[Specification 2]
-

[Material/Finish]
Low alloy steel (SKS)

[Set contents/accessories]
-

【caution】
Cannot be used for stainless steel.