Spec

• Set Details …【10 Pcs Set 】 ・Cutting edge Outside dia. :12・14・16・18・20・22・24・26・28・30mm (Each 1 Pc Including ) ・Steel Case ・Center Punch
• Usage …For Stainless 、Aluminum 、General Steel Material (Iron )
• Usable for general electric drills and drilling machines
• The high-speed steel containing cobalt is used, and damage on the blade tip is little.
• As it has become coarse tooth, regrinding is easily possible.
• Material …SKH55
• Rotation Speed …1000rpm Or Less
• Hexagonal Shaft …6.35mm(1/4")
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