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Product Description 76T45 Reract type thread button bit for hard rock drilling. Guide type button bit Thread Button Bits Thread button drill bits are ...

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.635" .0625" 1/8" 1/4" 1/2" Solid Carbide Step Drill Bit 1/16" 1/8" 6mm 2mm This is the customized step drill bit. ...

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Product Description: Expansion Shell Rock Bolt This Expansion Shell Rock Bolt is made of carbon steel, with a metric thread and a range of head sizes ...