3PCS/set of 4-32MM high speed steel cobalt stepped bit set of nitrogen high speed steel spiral metal bit

Description

Details:

Feature:
Type:step drill
Material:high-speed steel
Size:4-12mm; 4-20mm; 4-32mm

Package Included:
1x 4-12mm drill
1x 4-20mm drill
1x 4-32mm drill

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