BT30 ER20 4″ Dual Contact Collet Chuck Holder
- Taper : BBT30 Dual Contact (BIG-PLUS® style)
- Collet Type : ER20 (1 mm–13 mm / 1⁄16″–1/2″)
- Gage Length : 4″ (from gauge line to collet nut face)
- Material : High-grade alloy steel, hardened & precision ground
- Runout Accuracy ≤ 0.0002″
- Balance Grade G2.5 @ 20,000 RPM
- Coolant Capability Through-spindle
- Hexed Nut included
- Finish Precision ground, anti-corrosion coating
- Brand : NOBL Tooling
$106.35
10 in stock
