WORKHOLDING
ER Collet Tool Holders Straight-shank, Coolant Style
Straight-Shank Coolant-Style ER Collet Toolholders are designed to be used with NC/CNC lathes suppliers that have coolant delivery systems built into their tool blocks, such as Okuma and Mori Seiki Lathes.
ABDC A Shank Dia. B Shank Length C Total Length D Cap “E"-Style “E"-Style Part Number mm Inch mm Inch mm Inch mm Inch Nut (Cap) Wrench
ER32
(Not Included)
METRIC 7996-01-32-140000 40 1.57" 80 3.15" 160 6.30" 50 1.97" 7991-01-32-000220 7992-01-32-000220 A Shank Dia. B Shank Length C Total Length D Cap “E"-Style “E"-Style
Part Number mm Inch mm Inch mm Inch mm Inch Nut (Cap) Wrench
ER40
(Not Included)
METRIC 7996-01-40-140000 49 1.93" 80 3.15" 125 4.92" 63 2.48" 7991-01-40-000220 7992-01-40-000220
Cap and Wrenches
for Straight and Stepped ER Collet tool holders
Hex Caps and Wrenches
E" Style Caps and Wrenches
Cap Collet A B C Wrench Part Number Style mm Inch mm Inch Thread Part Number
ACB
7991-01-11-000021 ER11 19 0.75" 11.3 .44" M14 X .75 7992-01-11-000021 7991-01-12-000021 ER12 19 0.75" 12.5 .49" M14 x .75 7992-01-12-000021
7991-01-16-000021 ER16 28 1.10" 17.0 .67" M22 x 1.5 7992-01-16-000021
7991-01-20-000021 ER20 34 1.34" 19.0 .75" M25 x 1.5 7992-01-20-000021 Cap Collet A B C Wrench Part Number Style mm Inch mm Inch Thread Part Number
Mini Caps and Wrenches
7991-01-08-000020 ER8 12 0.47" 10.8 .42" M10 x .75 7992-01-08-000020 7991-01-11-000020 ER11 16 0.63" 11.3 .44" M13 X .75 7992-01-11-000020
7991-01-16-000020 ER16 22 0.87" 17.0 .67" M19 x 1 7992-01-16-000020
7991-01-20-000020 ER20 28 1.10" 19.0 .75" M24 x 1 7992-01-20-000020
7991-01-25-000020 ER25 35 1.38" 20.0 .79" M30 x 1 7992-01-25-000020 Cap Collet A B C Wrench Part Number Style mm Inch mm Inch Thread Part Number
ACB
7991-01-25-000220 ER25 42 1.65" 20.0 .79" M32 x 1.5 7992-01-25-000220 7991-01-32-000220 ER32 50 1.97" 22.0 .87" M40 x 1.5 7992-01-32-000220
7991-01-40-000220 ER40 63 2.48" 25.0 .98" M50 x 1.5 7992-01-40-000220
ACB
Note: Mini and “E" Style Wrenches are designed to break if over torqued. 21