Please allow 1-2 weeks delivery outside the USA
Our tool holders are designed to maximize coolant delivery, quick tool changes, and rigidity. Available in INCH and METRIC.
Our Coolant Ring Technology (CRT) Holders are designed for high-performance machining with single point tools.
Featuring Coolant Ring Technology, these holders deliver 360° coolant flow around the tool for optimal cooling and chip evacuation.
Built from heat-treated steel with dual lock-down screws, CRT Holders ensure maximum rigidity, thermal control, and faster tool changes.
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INCH SIZES |
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| A (Inside Diameter) |
S (Shank Diameter) |
H (Head Diameter) |
NPT Thread |
OAL |
Tool # |
EDP # |
| 0.125 |
0.5 |
0.625 |
1/8-27NPT |
2.84 |
CRT500-125 |
SCI.200500 |
| 0.1875 |
0.5 |
0.625 |
1/8-27NPT |
2.84 |
CRT500-187 |
SCI.200503 |
| 0.25 |
0.5 |
0.625 |
1/8-27NPT |
2.84 |
CRT500-250 |
SCI.200506 |
| 0.125 |
0.625 |
0.75 |
1/4-18NPT |
3.34 |
CRT625-125 |
SCI.200509 |
| 0.1875 |
0.625 |
0.75 |
1/4-18NPT |
3.34 |
CRT625-187 |
SCI.200512 |
| 0.25 |
0.625 |
0.75 |
1/4-18NPT |
3.34 |
CRT625-250 |
SCI.200515 |
| 0.3125 |
0.625 |
0.75 |
1/4-18NPT |
3.34 |
CRT625-312 |
SCI.200518 |
| 0.125 |
0.75 |
0.865 |
3/8-18NPT |
3.34 |
CRT750-125 |
SCI.200521 |
| 0.1875 |
0.75 |
0.865 |
3/8-18NPT |
3.34 |
CRT750-187 |
SCI.200524 |
| 0.25 |
0.75 |
0.865 |
3/8-18NPT |
3.34 |
CRT750-250 |
SCI.200527 |
| 0.3125 |
0.75 |
0.865 |
3/8-18NPT |
3.34 |
CRT750-312 |
SCI.200530 |
| 0.375 |
0.75 |
0.865 |
3/8-18NPT |
3.34 |
CRT750-375 |
SCI.200533 |
| 0.125 |
1 |
1.115 |
1/2-14NPT |
3.34 |
CRT1000-125 |
SCI.200413 |
| 0.1875 |
1 |
1.115 |
1/2-14NPT |
3.34 |
CRT1000-187 |
SCI.200416 |
| 0.25 |
1 |
1.115 |
1/2-14NPT |
3.34 |
CRT1000-250 |
SCI.200419 |
| 0.3125 |
1 |
1.115 |
1/2-14NPT |
3.34 |
CRT1000-312 |
SCI.200422 |
| 0.375 |
1 |
1.115 |
1/2-14NPT |
3.34 |
CRT1000-375 |
SCI.200425 |
| 0.5 |
1 |
1.115 |
1/2-14NPT |
3.34 |
CRT1000-500 |
SCI.200428 |
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| A (Inside Diameter) |
S (Shank Diameter) |
H (Head Diameter) |
NPT Thread |
OAL |
Tool # |
EDP # |
| 0.125 |
12 MM |
0.625 |
1/8-27NPT |
2.84 |
CRT12M-125 |
SCI.200431 |
| 0.1875 |
12 MM |
0.625 |
1/8-27NPT |
2.84 |
CRT12M-187 |
SCI.200434 |
| 0.25 |
12 MM |
0.625 |
1/8-27NPT |
2.84 |
CRT12M-250 |
SCI.200437 |
| 0.125 |
16 MM |
0.75 |
1/4-18NPT |
3.34 |
CRT16M-125 |
SCI.200440 |
| 0.1875 |
16 MM |
0.75 |
1/4-18NPT |
3.34 |
CRT16M-187 |
SCI.200443 |
| 0.25 |
16 MM |
0.75 |
1/4-18NPT |
3.34 |
CRT16M-250 |
SCI.200446 |
| 0.3125 |
16 MM |
0.75 |
1/4-18NPT |
3.34 |
CRT16M-312 |
SCI.200449 |
| 0.125 |
20 MM |
0.865 |
3/8-18NPT |
3.34 |
CRT20M-125 |
SCI.200452 |
| 0.1875 |
20 MM |
0.865 |
3/8-18NPT |
3.34 |
CRT20M-187 |
SCI.200455 |
| 0.25 |
20 MM |
0.865 |
3/8-18NPT |
3.34 |
CRT20M-250 |
SCI.200458 |
| 0.3125 |
20 MM |
0.865 |
3/8-18NPT |
3.34 |
CRT20M-312 |
SCI.200461 |
| 0.375 |
20 MM |
0.865 |
3/8-18NPT |
3.34 |
CRT20M-375 |
SCI.200464 |
| 0.125 |
22 MM |
0.937 |
3/8-18NPT |
3.34 |
CRT22M-125 |
SCI.200467 |
| 0.1875 |
22 MM |
0.937 |
3/8-18NPT |
3.34 |
CRT22M-187 |
SCI.200470 |
| 0.25 |
22 MM |
0.937 |
3/8-18NPT |
3.34 |
CRT22M-250 |
SCI.200473 |
| 0.3125 |
22 MM |
0.937 |
3/8-18NPT |
3.34 |
CRT22M-312 |
SCI.200476 |
| 0.375 |
22 MM |
0.937 |
3/8-18NPT |
3.34 |
CRT22M-375 |
SCI.200479 |
| 0.125 |
25 MM |
1.115 |
1/2-14NPT |
3.34 |
CRT25M-125 |
SCI.200482 |
| 0.1875 |
25 MM |
1.115 |
1/2-14NPT |
3.34 |
CRT25M-187 |
SCI.200485 |
| 0.25 |
25 MM |
1.115 |
1/2-14NPT |
3.34 |
CRT25M-250 |
SCI.200488 |
| 0.3125 |
25 MM |
1.115 |
1/2-14NPT |
3.34 |
CRT25M-312 |
SCI.200491 |
| 0.375 |
25 MM |
1.115 |
1/2-14NPT |
3.34 |
CRT25M-375 |
SCI.200494 |
| 0.5 |
25 MM |
1.115 |
1/2-14NPT |
3.34 |
CRT25M-500 |
SCI.200497 |
