Product Description

Part includes Lock Nut & Back-Up Screw (where applicable).

pchgroup

Straight Shank Collet Chucks
Long ER Collet Holders 6.8″ – 16″ OAL

Replacement Lock Nuts &
Open-end hex wrenches
are also available
(Part Numbers In Table Below)

Short ER Collet Holders

For use on CNC Mills

  • Manufactured in USA from high grade, heat-treated alloy steel
  • Black Oxide finish for corrosion prevention
  • Comes equipped with inside back-up screw and Lock Nut
  • Tighten lock nut with a standard open-end wrench
    (no special wrench needed, unlike other brands)
  • Smaller diameter lock nut than most brands make
    these ideal for machining hard-to-reach surfaces.

ER lock nuts interchangeable with ER “mini” lock nuts of other manufacturers.

Rovi

Table Of Dimensions

Chuck
Part
Number
D
Shank Diameter
L
Overall
Length
L1
Lock Nut
Length
D1
Lock Nut
Diameter
Hex.
Wrench
Size
Max. Dia.
Thru
Shank
ER
Collet
Series
Chuck
Capacity
Wrench
Part
Number
Lock Nut
Part
Number
PCH-ER11-0500 ** 0.500″ 6.65″ 0.47″ 0.62″ 9/16″ 1/4″ ER11 .019 – .276 W-0562 LN-ER11
PCH-ER11-0500S-8L 0.500″ 8″ 0.47″ 0.62″ 9/16″ solid shank* ER11 .019 – .276 W-0562 LN-ER11
PCH-ER11-0500S-9L 0.500″ 9″ 0.47″ 0.62″ 9/16″ solid shank* ER11 .019 – .276 W-0562 LN-ER11
PCH-ER11-0500S-10L 0.500″ 10″ 0.47″ 0.62″ 9/16″ solid shank* ER11 .019 – .276 W-0562 LN-ER11
PCH-ER11-0625 ** 0.625″ 6.65″ 0.47″ 0.62″ 9/16″ 1/4″ ER11 .019 – .276 W-0562 LN-ER11
PCH-ER16-0625 ** 0.625″ 7.10″ 0.68″ 0.86″ 13/16″ 3/8″ ER16 .019 – .394 W-0812 LN-ER16
PCH-ER16-0750 ** 0.750″ 7.10″ 0.68″ 0.86″ 13/16″ 3/8″ ER16 .019 – .394 W-0812 LN-ER16
PCH-ER16-0750S-10L 0.750″ 10″ 0.68″ 0.86″ 13/16″ solid shank* ER16 .019 – .394 W-0812 LN-ER16
PCH-ER16-0750S-12L 0.750″ 12″ 0.68″ 0.86″ 13/16″ solid shank* ER16 .019 – .394 W-0812 LN-ER16
PCH-ER16-0750S-14L 0.750″ 14″ 0.68″ 0.86″ 13/16″ solid shank* ER16 .019 – .394 W-0812 LN-ER16
PCH-ER16-1000 ** 1.000″ 7.20″ 0.68″ 0.86″ 13/16″ 3/8″ ER16 .019 – .394 W-0812 LN-ER16
PCH-ER20-1000 ** 1.000″ 7.20″ 0.78″ 1.10″ 1″ 9/16″ ER20 .039 – .512 W-1000 LN-ER20
PCH-ER25-1250 ** 1.250″ 7.25″ 0.84″ 1.36″ 1-1/4″ 3/4″ ER25 .039 – .630 W-1250 LN-ER25
PCH-ER20-1000S-10L 1.000″ 10″ 0.78″ 1.10″ 1″ solid shank* ER20 .039 – .512 W-1000 LN-ER20
PCH-ER20-1000S-12L 1.000″ 12.50″ 0.78″ 1.10″ 1″ solid shank* ER20 .039 – .512 W-1000 LN-ER20
PCH-ER20-1000S-14L 1.000″ 14″ 0.78″ 1.10″ 1″ solid shank* ER20 .039-.512 W-1000 LN-ER20
PCH-ER20-1000S-16L 1.000″ 16″ 0.78″ 1.10″ 1″ solid shank* ER20 .039-.512 W-1000 LN-ER20

** Image to the right
* Solid Shank items have no thru-hole or backup screw

All back-up screws have 1/8″ hex. socket
Extra-long chucks (8″+) are limited supply. Please check availability before ordering
DO NOT OVER TIGHTEN LOCK NUT, ALWAYS USE BACKUP SCREW

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Assembly Instructions

Long ER Collet Holders

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$76.00$250.00

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