Description
IMPA 633255 SPARE KNURL-DIAMOND 21tpi 5/8"x 5/16"x 7/32" MEDIUM is a spare knurl for a 21 tpi 5/8" x 5/16" x 7/32" medium diamond scientific drill bit. It is made of high-quality carbide for superior wear resistance and has a medium tooth pitch for medium to hard materials. This knurl is ideal for use on scientific drilling applications.
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