WORKHOLDING
ERTCSP-Style Tap Collets
The ERTCSP-Style Rigid Tap Collet with square drive are multi-split with more shank bearing surface than ER/DR collets. The bore is the exact size of the shank with a square broached hole to eliminate tap slippage. Available for thru-coolant applications.
ERTCSP16 & ERTCSP20 Tap Collets
ERTCSP16 Tap Size Range ERTCSP20 Tap Collet Part Number Tap Size Shank Collet Part Number ANSI Metric
Industrial taps Shank Sizes M 1 to M3.5 .141" M4 .168" M4.5 & M5 .194"
M6 & M6.3 .255"
M7 & M8 .318" M10 .381" M12 .367"
M14 .429" 1913-19-18-001410 #0 - 6 .141" 1915-19-18-001410 1913-19-18-001680 #8 .168" 1915-19-18-001680 1913-19-18-001940 #10 .194" 1915-19-18-001940
1913-19-18-002200 #12 .220" 1915-19-18-002200
1913-19-18-002550
1 ⁄
4 " .255" 1915-19-18-002550
5 ⁄
16 " .318" 1915-19-18-003180
3 ⁄
8 " .381" 1915-19-18-003810
7 ⁄
16 " .323" 1915-19-18-003230
1 ⁄ " .367" 1915-19-18-003670
Note: Metric (DIN), Japanese (JIS) and Chinese (CIC) standard sizes on request - see page 37 for shank sizes 2 0949-16-18-000005 Kit ER16 (5) Kit ER20 (9) 0949-20-18-000009
ERTCSP25 & ERTCSP32 Tap Collets ERTCSP40 Tap Collets
ERTCSP25 Tap Size Range ERTCSP32 Tap
Collet Part Number Tap Size Shank Collet Part Number ERTCSP40 Tap Size Range Collet Part Number Tap Size Shank 2095-19-18-001680 #8 .168" 1917-19-18-001680 2095-19-18-001940 #10 .194" 1917-19-18-001940
2095-19-18-002200 #12 .220" 1917-19-18-002200
2095-19-18-002550 2081-00-18-002550
1 ⁄
4 " .255" 2081-00-18-003180
5 ⁄
16 " .318" 2081-00-18-003810
3 ⁄
8 " .381" 2081-00-18-003230
1 ⁄
4 " .255" 1917-19-18-002550 2095-19-18-003180
7 ⁄
16 " .323" 2081-00-18-003670
5 ⁄
16 " .318" 1917-19-18-003180 2095-19-18-003810
1 ⁄
2 " .367" 2081-00-18-004290
3 ⁄
8 " .381" 1917-19-18-003810 2095-19-18-003230
9 ⁄
16 " .429" 2081-00-18-004800
7 ⁄
16 " .323" 1917-19-18-003230 2095-19-18-003670
5 ⁄
8 " .480" 2081-00-18-005420
1 ⁄
2 " .367" 1917-19-18-003670 2095-19-18-004290
11 ⁄
16 " .542" 2081-00-18-005900
9 ⁄
16 " .429" 1917-19-18-004290 2095-19-18-004800
3 ⁄
4 " .590" 2081-00-18-006520
5 ⁄
8 " .480" 1917-19-18-004800
13 ⁄
16 " .652" 2081-00-18-006970
11 ⁄
16 " .542" 1917-19-18-005420
7 ⁄
8 " .697" 2081-00-18-007600
3 ⁄
4 " .590" 1917-19-18-005900
15 ⁄
16 " .760" 2081-00-18-008000 1" .800"
13 ⁄
16 " .652" 1917-19-18-006520 0949-25-18-00010 Kit ER25 (10) Kit ER32 (13) 0949-32-18-000013 0949-40-18-000013 Kit ER40 (13)
Collet Dimensions
L2 Tap Size L1 ERTCSP16 ERTCSP20 ERTCSP25 ERTCSP32 ERTCSP40 0-6 - 1/4" 0.709" 0.374" 0.531" 0.630" 0.866" 1.102" 5/16 - 1/2" 0.866" 0.374" 0.472" 0.709" 0.945"
9/16 - 7/8" 0.984 0.374" 0.591" 0.827"
1" 1.102" 0.709"
13