Shop Grade Er20 A Collet Clamping Nut For Cnc Milling Setup With M25 X 1.5mm Threading Precision Hardened 40Cr Steel Constructed With Black Finish Locks Down Dead Tight
UPC:
✔️ 1 piece package, M25x1.5 thread, 34mm body, hardened steel, 0.015mm runout
This locking fastener secures ER20 collets tightly onto spindle shanks during active machining. It provides stable retention for end mills and twist drills in CNC routing tables and vertical machining centers.
✅ Single unit shipped straight to your workbench for instant mounting✅ Ground seating faces guarantee 0.015 mm runout tolerance across the face
✅ Metric M25 x 1.5 pitch screws smoothly into standard arbor barrels
✅ Dark oxide shell fights salt spray and prevents rust buildup overnight
✅ 34 mm width and 20.5 mm profile slide past most flanged nose housings
💡 How do you keep a collet seated firmly on an ER20 tool holder during rapid milling passes? A dedicated clamping nut locks the taper interface and kills chatter under heavy load. This swap hardware stays handy when you need to rotate cutter sizes between runs. - Rolled thread form grabs mating surfaces evenly without cross alignment errors - Chromium alloy core resists deformation when facing multi axis cutting forces - Low friction exterior coating allows smooth indexing along tapered bores daily - Wrench drive flats offer clean leverage points for consistent manual tightening
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