Ultra-Met Carbide Technologies
720 North Main Street
Urbana, Ohio 43078

Toll Free: 800.543.9952
Phone: 937.653.7133
Fax: 937.653.4754
Email: customerservice@ultra-met.com, info@ultra-met.com,
Website: www.Ultra-Met.com
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Utility Round Negative R1 Chipbreakers and Hole
Unit of Measure
1 

part no.

Thickness (t)

Hole

dia.

Grade Availability

RNSG54R1 N/A 0.256 / 0.262 in N/A 0.247 / 0.253 in N/A 0.622 / 0.628 in N/A Available on Request
RNSG55R1 N/A 0.318 / 0.324 in N/A 0.247 / 0.253 in N/A 0.622 / 0.628 in N/A Available on Request
RNSG64R1 N/A 0.256 / 0.262 in N/A 0.309 / 0.315 in N/A 0.747 / 0.753 in N/A Available on Request
RNSG65R1 N/A 0.318 / 0.324 in N/A 0.309 / 0.315 in N/A 0.747 / 0.753 in N/A Available on Request
RNSG84R1 N/A 0.256 / 0.262 in N/A 0.360 / 0.366 in N/A 0.996 / 1.004 in N/A Available on Request
RNSG85R1 N/A 0.318 / 0.324 in N/A 0.360 / 0.366 in N/A 0.996 / 1.004 in N/A Available on Request
RNSG86R1 N/A 0.381 / 0.387 in N/A 0.360 / 0.366 in N/A 0.996 / 1.004 in N/A Available on Request
RNSG106R1 N/A 0.370 / 0.380 in N/A 0.497 / 0.503 in N/A 1.246 / 1.254 in N/A Available on Request
Unit of Measure
1