ER 20 Straight Shank Holders

ER-20 Collet Extensions

Crafted from heat treated alloy steel
Available with round or flatted shank
Supplied with collet nut

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Collet Series	Shank Dia D	Shank Length C	Nut Dia A	Nut Length B	Nut Type	Shank Type	Part Number	Thread of Nut	Collet Nut Part Number	Wrench Part Number
ER20	0.750	2.50	1.10	0.75	Mini	Round	S-E20R07-25N-R	M24X1	CN-ER20MN-V	WR-ER20MN
ER20	0.750	2.50	1.34	0.75	Hex	Round	S-E20R07-25H-R	M25X1.5	CN-ER20H-K	WR-ER20H
ER20	0.750	2.50	1.34	0.75	Hex	Flatted	S-E20F07-25H-R	M25X1.5	CN-ER20H-K	WR-ER20H
ER20	0.750	4.00	1.10	0.75	Mini	Round	S-E20R07-40N-R	M24X1	CN-ER20MN-V	WR-ER20MN
ER20	0.750	4.00	1.34	0.75	Hex	Round	S-E20R07-40H-R	M25X1.5	CN-ER20H-K	WR-ER20H
ER20	0.750	6.00	1.34	0.75	Hex	Round	S-E20R07-60H-R	M25X1.5	CN-ER20H-K	WR-ER20H
ER20	0.750	6.00	1.34	0.75	Hex	Flatted	S-E20F07-60H-R	M25X1.5	CN-ER20H-K	WR-ER20H
ER20	1.00	2.50	1.34	0.75	Hex	Round	S-E20R10-25H-R	M25X1.5	CN-ER20H-K	WR-ER20H
ER20	1.00	4.00	1.34	0.75	Hex	Round	S-E20R10-40H-R	M25X1.5	CN-ER20H-K	WR-ER20H
ER20	1.00	5.20	1.10	0.75	Mini	Round	S-E20R10-52N-R	M24X1	CN-ER20MN-V	WR-ER20MN
ER20	1.00	6.00	1.34	0.75	Hex	Round	S-E20R10-60H-R	M25X1.5	CN-ER20H-K	WR-ER20H