MUSTTOOL Spiral Step Drill Φ4-14mm (11 steps) IM-STB414 19868 MUSTTOOL

[Features]
This is a step drill replacement product.

[Applications]
For drilling pilot holes in steel plates, deck plates, copper trim, channels, etc.

【specification】
Step width (mm): 3.9
Number of steps (steps): 11
Shank diameter (mm): 6.35
Hole dimensions (φ): 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
Total length (mm): 81
Surface treatment: Violet coating
Drilling dimensions (mm): 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
Drilling dimensions (φmm): 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14

[Specification 2]
Violet Coating

[Material/Finish]
Cobalt high speed steel

[Set contents/accessories]
-

【Note】
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