High Precision EOC12 EOC16 EOC20 EOC25 EOC32 Clamping Nut Heavy Duty OZ Collet Nut for DIN6388 Spring Collet

EOC nut has high rigidity,strong

Raw Material: Premium 40Cr / 42CrMo alloy steel
Heat Treatment: Integral quenching, hardness up to HRC 48~55
Processing: Full CNC precision turning + fine grinding thread, thread tolerance strictly controlled, smooth rotation without jamming
Surface Treatment: Black oxidation anti-rust treatment, wear-resistant & corrosion resistant

Built-in Ball Bearing Design
Low rotational resistance when screwing, no bite thread, effectively avoid nut thread abrasion and tool shank slipping during heavy cutting.
Super Strong Clamping Force
Square thread structure supports high tightening torque, collet shrinks evenly, clamping stability far exceeds ordinary ER nuts, greatly reduce tool breakage rate.
High Dynamic Balance Performance
Standard dynamic balance G6.3, max applicable speed up to 18000rpm, low vibration, guarantee machining dimensional accuracy and surface finish.
Wide Compatibility
Perfectly match DIN6388 standard EOC/OZ collets, compatible with BT30/BT40/BT50, SK, NT, MT series EOC tool holders.
Durable Service Life
High hardness alloy steel + anti-oxidation coating, resist high load extrusion and long-term frequent disassembly.

EOC6 / EOC8 / EOC10 / EOC12 / EOC16 / EOC20 / EOC25 / EOC32

clamping force,convenient for engraving machine,spindle machine,extension shank,locking spring collet.

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