6mm To 3.175mm 18'' Precision Bit Tool Adapter For Collet 12.74 12.74

Feature：
Bit Tool Adapter after heat treatment and precision grinding, hardness HRC62, fine grinding, concerted and high precision size; suitable for machine ER collet.
Quality spring steel production, heat treatment, has good flexibility and abrasion resistance.
Clamping force, high accuracy, good gripping stability.
Commonly used in the machine spindle motor folder , with the machine collets use.

Specification：
Material：steel
Size OD to ID（mm）：
6.35-3.175
6-3.175
6-4
6.35-4
12.7-6
12.7-4

Package include：
1x Bit Tool Adapter










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