Ultra-Met Carbide Technologies
Ultra-Met Carbide Technologies
720 North Main Street
Urbana, Ohio 43078
Toll Free: 800.543.9952
Phone: 937.653.7133
Fax: 937.653.4754
E-Mail: customerservice@ultra-met.com
Website: www.Ultra-Met.com
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Utility Triangle Negative R4 Chipbreaker with Hole
Unit of Measure
1 2 

part no.

Thickness (t)

Inscribed Circle (i.c.)

Radius (r)

Angle (a)

Hole

Grade Availability

TNFM222ER-R4 N/A 0.141 / 0.147 in N/A 0.248/0.252 in N/A 1/32 in N/A 60 º N/A 0.091 / 0.095 in N/A Available on Request
TNSM321ER-R4 N/A 0.141 / 0.147 in N/A 0.373/0.377 in N/A 1/64 in N/A 60 º N/A 0.147 / 0.153 in N/A Available on Request
TNSM322ER-R4 N/A 0.142 / 0.148 in N/A 0.373/0.377 in N/A 1/32 in N/A 60 º N/A 0.147 / 0.153 in N/A Available on Request
TNSM323ER-R4 N/A 0.138 / 0.144 in N/A 0.373/0.377 in N/A 3/64 in N/A 60 º N/A 0.147 / 0.153 in N/A Available on Request
TNSM331ER-R4 N/A 0.203 / 0.209 in N/A 0.373/0.377 in N/A 1/64 in N/A 60 º N/A 0.147 / 0.153 in N/A Available on Request
TNSM332ER-R4 N/A 0.203 / 0.209 in N/A 0.373/0.377 in N/A 1/32 in N/A 60 º N/A 0.147 / 0.153 in N/A Available on Request
TNSM333ER-R4 N/A 0.203 / 0.209 in N/A 0.373/0.377 in N/A 3/64 in N/A 60 º N/A 0.147 / 0.153 in N/A Available on Request
TNSM431ER-R4 N/A 0.200 / 0.206 in N/A 0.497/0.503 in N/A 1/64 in N/A 60 º N/A 0.200 / 0.206 in N/A Available on Request
TNSM432ER-R4 N/A 0.200 / 0.206 in N/A 0.497/0.503 in N/A 1/32 in N/A 60 º N/A 0.200 / 0.206 in N/A Available on Request
TNSM433ER-R4 N/A 0.200 / 0.206 in N/A 0.497/0.503 in N/A 3/64 in N/A 60 º N/A 0.200 / 0.206 in N/A Available on Request
TNSM542ER-R4 N/A 0.260 / 0.266 in N/A 0.622/0.628 in N/A 1/32 in N/A 60 º N/A 0.247 / 0.253 in N/A Available on Request
TNSM543ER-R4 N/A 0.260 / 0.266 in N/A 0.622/0.628 in N/A 3/64 in N/A 60 º N/A 0.247 / 0.253 in N/A Available on Request
TNSM544ER-R4 N/A 0.260 / 0.266 in N/A 0.622/0.628 in N/A 1/16 in N/A 60 º N/A 0.247 / 0.253 in N/A Available on Request
TNSM221EL-R4 N/A 0.137 / 0.143 in N/A 0.248/0.252 in N/A 1/64 in N/A 60 º N/A 0.090 / 0.096 in N/A Available on Request
TNSM321EL-R4 N/A 0.141 / 0.147 in N/A 0.373/0.377 in N/A 1/64 in N/A 60 º N/A 0.147 / 0.153 in N/A Available on Request
TNSM322EL-R4 N/A 0.142 / 0.148 in N/A 0.373/0.377 in N/A 1/32 in N/A 60 º N/A 0.147 / 0.153 in N/A Available on Request
TNSM323EL-R4 N/A 0.138 / 0.144 in N/A 0.373/0.377 in N/A 3/64 in N/A 60 º N/A 0.147 / 0.153 in N/A Available on Request
TNSM331EL-R4 N/A 0.203 / 0.209 in N/A 0.373/0.377 in N/A 1/64 in N/A 60 º N/A 0.147 / 0.153 in N/A Available on Request
TNSM332EL-R4 N/A 0.203 / 0.209 in N/A 0.373/0.377 in N/A 1/32 in N/A 60 º N/A 0.147 / 0.153 in N/A Available on Request
TNSM333EL-R4 N/A 0.203 / 0.209 in N/A 0.373/0.377 in N/A 3/64 in N/A 60 º N/A 0.147 / 0.153 in N/A Available on Request
TNSM431EL-R4 N/A 0.200 / 0.206 in N/A 0.497/0.503 in N/A 1/64 in N/A 60 º N/A 0.200 / 0.206 in N/A Available on Request
TNSM432EL-R4 N/A 0.200 / 0.206 in N/A 0.497/0.503 in N/A 1/32 in N/A 60 º N/A 0.200 / 0.206 in N/A Available on Request
TNSM433EL-R4 N/A 0.200 / 0.206 in N/A 0.497/0.503 in N/A 3/64 in N/A 60 º N/A 0.200 / 0.206 in N/A Available on Request
TNSM542EL-R4 N/A 0.260 / 0.266 in N/A 0.622/0.628 in N/A 1/32 in N/A 60 º N/A 0.247 / 0.253 in N/A Available on Request
TNSM543EL-R4 N/A 0.260 / 0.266 in N/A 0.622/0.628 in N/A 3/64 in N/A 60 º N/A 0.247 / 0.253 in N/A Available on Request
Unit of Measure
1 2