Stepped Drill Bits

Show me the range of stepped drill bits needed for pre-drilling pilot holes in aluminum and steel for threaded studs

TX-BT 4.7/7 Stepped drill bit Stepped drill bit for pre-drilling holes for new-generation X-BT fasteners

Stepped drill bit TS-BT 31-74 PFP PFP removal drill bits for predrilling accurate holes and removing coatings from PFP coated steels

TS-BT Stepped drill bit Stepped drill bits for predrilling accurate holes or removing coatings for S-BT threaded screw-in studs on aluminum and steel

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