COLLET CHUCKS
MEGA ER GRIP CLAMPING RANGE: Ø.108"-.787" (Ø2.75-20mm) For Drills, Reamers, Taps & Finishing End Mills
COOLANT
THROUGH
Adjusting Screw (Optional)
H
L 1
L
Stopper Type: Flange as a stopper enables presetting of the tool away from machine and minimizes downtime.
Catalog Number
Nut (NOT Included)
Ød
ØD
ØD 1
ØD 2
L
L 1
H
Collet
Wrench
SLS25-MEGAER20-45NL SLS25-MEGAER20-75NL SLS32-MEGAER20-45NL SLS32-MEGAER20-75NL SLS32-MEGAER32-45NL SLS32-MEGAER32-75NL SLS40-MEGAER20-45NL SLS40-MEGAER20-75NL SLS40-MEGAER32-45NL SLS40-MEGAER32-75NL
1.77 2.95 1.77 2.95 1.77 2.95 1.77 2.95 1.77 2.95
.108-.512
25mm 1.378
1.26
2.13
1.65-2.44 ERC20- o
MERN20*
MGR35L
.108-.512
1.378
1.56
1.65-2.44 ERC20- o
MERN20*
MGR35L
32mm
2.28
1.85-2.68 1.97-2.68
.108-.787
1.969
1.97
MERN32*
MGR50L
ERC32- o
.108-.512
1.378
1.95
1.65-2.44 ERC20- o
MERN20*
MGR35L
40mm
2.68
.108-.787
1.969
1.97
1.97-2.68 ERC32- o
MERN32*
MGR50L
*Nut, adjusting screw, collet and wrench are not included • MEGA ER GRIP is not able to use DIN6499 Form-A collets and ESX collets • Center through coolant supply is available • “H” indicates the adjustment length with an adjusting screw
ACCESSORIES
COLLET PG. 374
MEGA NUT* PG. 377
PERFECT SEAL PG. 378
SOLID NUT PG. 377
MEGA WRENCH PG. 390
SCREW PG. 411
*MEGA NUT is the recommended nut to achieve high accuracy and clamping force
To maintain the accuracy of the tool assembly, do not use collets and nuts manufactured by another company with the chuck body of BIG’s MEGA ER GRIP. We cannot guarantee the accuracy statement for our collets if they are assembled on the chuck body of another manufacturer. ! CAUTION
EXAMPLE
NUTS
COLLET
BODY
MEGA ER PERFECT SEAL Model MERPS20-030035
MEGA ER NUT Model MERN20
MEGA ER SOLID NUT Model MER20SN
MEGA ER Collet ERC20-3AA
MEGA ER GRIP SLS25-MEGA ER20-45/NL
ER NUT Model ERN20
• Collet and nut must be ordered separately.
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