Chiloskit Industrial Spiral Grooved M35 Cobalt Step Drill Bits Stainless Steel Metal Woodworking Hole Drilling Tool Bit 4-12MM

$10.11

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SKU:: FF181190
UPC:: 732840000789
Condition:: New
Availability:: Free Shipping from the USA. Estimated 2-4 days delivery.

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Description

You can use one drill for diferent aperture No need of center punch.Compared with the ordinary twist drill,it is not easy to break and it can be used for deburring, chamfering and open hole Recommend the drilling speed of 250--400 rpm Specifications: Specifications: Material: M35(HSS-Co) Shank shape: Triangle Shank