603-215-5890
Customer Service
FREE SHIPPING
U.S. Orders*

To maintain precision cutting depths of direct shank clamped tools, a stop ring is required on the tool. This is so it can register against the spindle collet face consistently. The brass rings press fit onto the tool shank for a secure, one-time use. The larger dimeter rings use a set screw for clamping and can be used multiple times.
For your convenience, we have included in our eCommerce site a line of accessories that complement our line of tooling. Everything from consumables to hand tools to assist your everyday needs. Standard shipping rates apply with the entire line of accessories.
| Material | Brass / Plastic |
|---|---|
| Cutting Diameter (D1) | 1/8" / 1/4" / 3 mm / 4 mm / 6 mm / 8 mm |
| Shank (D2) | 7.55 mm / 10.5 mm / 12.5 mm / 15 mm / 18 mm |
| Fit Type | Press Fit / Set Screw |
DATRON USA will be closed Friday, January 1st, 2027, in observance of New Years Day.
Normal business hours will resume Monday, January 4th.
DATRON USA will be closed Thursday, December 24th and Friday, December 25th, 2026, in observance of Christmas.
Normal business hours will resume Monday, December 28th.
DATRON USA will be closed November 26–27 for Thanksgiving. Normal business hours resume Monday, November 30.
Cyber Monday Tool Sale: Use code CYBER15 at checkout. Valid November 30 only!