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 – .276W-0562LN-ER11
PCH-ER11-0500S-8L0.500″8″0.47″0.62″9/16″solid shank*ER11.019 – .276W-0562LN-ER11
PCH-ER11-0500S-9L0.500″9″0.47″0.62″9/16″solid shank*ER11.019 – .276W-0562LN-ER11
PCH-ER11-0500S-10L0.500″10″0.47″0.62″9/16″solid shank*ER11.019 – .276W-0562LN-ER11
PCH-ER11-0625 **0.625″6.65″0.47″0.62″9/16″1/4″ER11.019 – .276W-0562LN-ER11
PCH-ER16-0625 **0.625″7.10″0.68″0.86″13/16″3/8″ER16.019 – .394W-0812LN-ER16
PCH-ER16-0750 **0.750″7.10″0.68″0.86″13/16″3/8″ER16.019 – .394W-0812LN-ER16
PCH-ER16-0750S-10L0.750″10″0.68″0.86″13/16″solid shank*ER16.019 – .394W-0812LN-ER16
PCH-ER16-0750S-12L0.750″12″0.68″0.86″13/16″solid shank*ER16.019 – .394W-0812LN-ER16
PCH-ER16-0750S-14L0.750″14″0.68″0.86″13/16″solid shank*ER16.019 – .394W-0812LN-ER16
PCH-ER16-1000 **1.000″7.20″0.68″0.86″13/16″3/8″ER16.019 – .394W-0812LN-ER16
PCH-ER20-1000 **1.000″7.20″0.78″1.10″1″9/16″ER20.039 – .512W-1000LN-ER20
PCH-ER25-1250 **1.250″7.25″0.84″1.36″1-1/4″3/4″ER25.039 – .630W-1250LN-ER25
PCH-ER20-1000S-10L1.000″10″0.78″1.10″1″solid shank*ER20.039 – .512W-1000LN-ER20
PCH-ER20-1000S-12L1.000″12.50″0.78″1.10″1″solid shank*ER20.039 – .512W-1000LN-ER20
PCH-ER20-1000S-14L1.000″14″0.78″1.10″1″solid shank*ER20.039-.512W-1000LN-ER20
PCH-ER20-1000S-16L1.000″16″0.78″1.10″1″solid shank*ER20.039-.512W-1000LN-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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$72.00$240.00

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