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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Triangle Negative with Hole
Unit of Measure
1 2 

part no.

Thickness (t)

Inscribed Circle (i.c.)

Radius (r)

Angle (a)

variable thickness

Hole

TO

Grade Availability

TNRB460-VAL N/A 0.385 / 0.393 in N/A 0.517/0.523 in N/A 0 in N/A 60 º N/A N/A 0.201 / 0.205 in N/A 0.342 / 0.348 in N/A Available on Request
TNRB470-VAL N/A 0.448 / 0.456 in N/A 0.517/0.523 in N/A 0 in N/A 60 º N/A N/A 0.200 / 0.206 in N/A 0.352 / 0.358 in N/A Available on Request
TNRB520-VAL N/A 0.135 / 0.143 in N/A 0.645/0.650 in N/A 0 in N/A 60 º N/A N/A 0.248 / 0.252 in N/A 0.405 / 0.411 in N/A Available on Request
TNRB530-VAL N/A 0.198 / 0.206 in N/A 0.645/0.650 in N/A 0 in N/A 60 º N/A N/A 0.247 / 0.253 in N/A 0.406 / 0.410 in N/A Available on Request
TNRB540-VAL N/A 0.260 / 0.268 in N/A 0.645/0.650 in N/A 0 in N/A 60 º N/A N/A 0.247 / 0.253 in N/A 0.406 / 0.410 in N/A Available on Request
TNRB550-VAL N/A 0.322 / 0.330 in N/A 0.645/0.650 in N/A 0 in N/A 60 º N/A N/A 0.248 / 0.252 in N/A 0.406 / 0.410 in N/A Available on Request
TNRB630-#10 N/A 0.202 / 0.207 in N/A 0.770/0.775 in N/A 0 in N/A 60 º N/A N/A 0.209 / 0.215 in N/A 0.467 / 0.473 in N/A Available on Request
TNRB640 N/A 0.260 / 0.268 in N/A 0.770/0.775 in N/A 0 in N/A 60 º N/A N/A 0.309 / 0.315 in N/A 0.449 / 0.455 in N/A Available on Request
TNRB660-#10 N/A 0.385 / 0.393 in N/A 0.770/0.775 in N/A 0 in N/A 60 º N/A N/A 0.209 / 0.215 in N/A 0.467 / 0.473 in N/A Available on Request
TNRC2.52.50 N/A 0.166 / 0.174 in N/A 0.331/0.337 in N/A 0 in N/A 60 º N/A N/A 0.125 / 0.130 in N/A 0.189 / 0.195 in N/A Available on Request
TNRC2.520 N/A 0.145 / 0.151 in N/A 0.331/0.337 in N/A 0 in N/A 60 º N/A N/A 0.125 / 0.130 in N/A 0.189 / 0.195 in N/A Available on Request
TNRC21.50 N/A 0.104 / 0.112 in N/A 0.265/0.270 in N/A 0 in N/A 60 º N/A N/A 0.134 / 0.140 in N/A 0.193 / 0.199 in N/A Available on Request
TNRC220 N/A 0.135 / 0.143 in N/A 0.265/0.270 in N/A 0 in N/A 60 º N/A N/A 0.134 / 0.140 in N/A 0.193 / 0.199 in N/A Available on Request
TNRC32.50 N/A 0.166 / 0.174 in N/A 0.392/0.398 in N/A 0 in N/A 60 º N/A N/A 0.147 / 0.153 in N/A 0.228 / 0.234 in N/A Available on Request
TNRC320 N/A 0.135 / 0.143 in N/A 0.392/0.398 in N/A 0 in N/A 60 º N/A N/A 0.147 / 0.153 in N/A 0.228 / 0.234 in N/A In Stock
TNRC330 N/A 0.198 / 0.206 in N/A 0.392/0.398 in N/A 0 in N/A 60 º N/A N/A 0.147 / 0.153 in N/A 0.228 / 0.234 in N/A Available on Request
TNRC330-60 N/A 0.198 / 0.206 in N/A 0.392/0.398 in N/A 0 in N/A 60 º N/A N/A 0.147 / 0.153 in N/A 0.246 / 0.252 in N/A Available on Request
TNRC340 N/A 0.260 / 0.268 in N/A 0.392/0.398 in N/A 0 in N/A 60 º N/A N/A 0.147 / 0.153 in N/A 0.228 / 0.234 in N/A Available on Request
TNRC350 N/A 0.322 / 0.330 in N/A 0.392/0.398 in N/A 0 in N/A 60 º N/A N/A 0.147 / 0.153 in N/A 0.228 / 0.234 in N/A Available on Request
TNRC3.542 N/A 0.265 / 0.273 in N/A 0.460/0.470 in N/A 1/32 in N/A 60 º N/A N/A 0.171 / 0.177 in N/A 0.307 / 0.313 in N/A Available on Request
TNRC430 N/A 0.198 / 0.206 in N/A 0.517/0.523 in N/A 0 in N/A 60 º N/A N/A 0.200 / 0.206 in N/A 0.342 / 0.348 in N/A In Stock
TNRC44.50 N/A 0.291 / 0.299 in N/A 0.517/0.523 in N/A 0 in N/A 60 º N/A N/A 0.200 / 0.206 in N/A 0.342 / 0.348 in N/A Available on Request
TNRC440 N/A 0.260 / 0.268 in N/A 0.517/0.523 in N/A 0 in N/A 60 º N/A N/A 0.200 / 0.206 in N/A 0.342 / 0.348 in N/A Available on Request
TNRC450 N/A 0.322 / 0.330 in N/A 0.517/0.523 in N/A 0 in N/A 60 º N/A N/A 0.200 / 0.206 in N/A 0.342 / 0.348 in N/A Available on Request
TNRC460 N/A 0.385 / 0.393 in N/A 0.517/0.523 in N/A 0 in N/A 60 º N/A N/A 0.201 / 0.205 in N/A 0.342 / 0.348 in N/A Available on Request
TNRC530 N/A 0.198 / 0.206 in N/A 0.645/0.650 in N/A 0 in N/A 60 º N/A N/A 0.247 / 0.253 in N/A 0.405 / 0.411 in N/A Available on Request
TNRC540 N/A 0.260 / 0.268 in N/A 0.645/0.650 in N/A 0 in N/A 60 º N/A N/A 0.247 / 0.253 in N/A 0.405 / 0.411 in N/A In Stock
TNRC550 N/A 0.322 / 0.330 in N/A 0.645/0.650 in N/A 0 in N/A 60 º N/A N/A 0.247 / 0.253 in N/A 0.405 / 0.411 in N/A Available on Request
TNRC560 N/A 0.385 / 0.393 in N/A 0.645/0.650 in N/A 0 in N/A 60 º N/A N/A 0.247 / 0.253 in N/A 0.405 / 0.411 in N/A Available on Request
TNRC580 N/A 0.513 / 0.521 in N/A 0.645/0.650 in N/A 0 in N/A 60 º N/A N/A 0.245 / 0.255 in N/A 0.400 / 0.416 in N/A Available on Request
TNRC640 N/A 0.260 / 0.268 in N/A 0.770/0.775 in N/A 0 in N/A 60 º N/A N/A 0.309 / 0.315 in N/A 0.449 / 0.455 in N/A Available on Request
TNRC650 N/A 0.322 / 0.330 in N/A 0.770/0.775 in N/A 0 in N/A 60 º N/A N/A 0.309 / 0.315 in N/A 0.449 / 0.455 in N/A Available on Request
TNRC660 N/A 0.385 / 0.393 in N/A 0.770/0.775 in N/A 0 in N/A 60 º N/A N/A 0.309 / 0.315 in N/A 0.449 / 0.455 in N/A Available on Request
TNRC670 N/A 0.452 / 0.458 in N/A 0.770/0.775 in N/A 0 in N/A 60 º N/A N/A 0.310 / 0.314 in N/A 0.449 / 0.455 in N/A Available on Request
TNRC680 N/A 0.510 / 0.518 in N/A 0.770/0.775 in N/A 0 in N/A 60 º N/A N/A 0.309 / 0.315 in N/A 0.449 / 0.455 in N/A Available on Request
TNRQ.636I.C. N/A 0.257 / 0.261 in N/A 0.648/0.668 in N/A 0.197 in N/A 40 º N/A N/A 0.216 / 0.224 in N/A 0.291 / 0.295 in N/A Available on Request
TNRQ220 N/A 0.135 / 0.143 in N/A 0.269/0.275 in N/A 0 in N/A 40 º N/A N/A 0.105 / 0.110 in N/A 0.164 / 0.170 in N/A Available on Request
TNRQ343.177H N/A 0.260 / 0.268 in N/A 0.392/0.398 in N/A 3/64 in N/A 40 º N/A N/A 0.175 / 0.179 in N/A 0.233 / 0.239 in N/A Available on Request
TNRQ44.170R.220H N/A 0.257 / 0.261 in N/A 0.512/0.532 in N/A 0.170 in N/A 40 º N/A N/A 0.216 / 0.224 in N/A 0.291 / 0.295 in N/A Available on Request
TNRQ440.220H N/A 0.257 / 0.261 in N/A 0.512/0.530 in N/A 0 in N/A 40 º N/A N/A 0.216 / 0.224 in N/A 0.291 / 0.295 in N/A Available on Request
TNRQ443.177H N/A 0.260 / 0.268 in N/A 0.517/0.523 in N/A 3/64 in N/A 40 º N/A N/A 0.174 / 0.180 in N/A 0.233 / 0.239 in N/A Available on Request
UTN20 N/A 0.077 / 0.082 in N/A 0.170/0.176 in N/A 0 in N/A 60 º N/A N/A 0.091 / 0.095 in N/A N/A Available on Request
UTN40 N/A 0.140 / 0.112 in N/A 0.269/0.275 in N/A 0 in N/A 60 º N/A N/A 0.135 / 0.139 in N/A N/A Available on Request
UTN60 N/A 0.135 / 0.143 in N/A 0.392/0.398 in N/A 0 in N/A 60 º N/A N/A 0.161 / 0.165 in N/A N/A Available on Request
Unit of Measure
1 2