QCS Workholding LLC
18611 West Windhaven Terrace Trail
Cyress  Texas   77433

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E-JAWS.COM

Online Replacement Chuck Jaws Source

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ATLAS 1/16 X 90° AND 3/32 X 90° SERRATED
HARD AND SOFT TOP JAWS AND T-NUTS

Soft Jaws
Chuck Size Part Number Length A Height B Width C Slot D Bolt Size E Hole Spacing F
6" 8140-17512 2.75" 1.5" 1.25" .475" M8 .79"
8" 2860-21512 3.25" 2.0" 1.5" .670" M12 1"
10" 2860-21512 3.25" 2.0" 1.5" .670" M12 1"
12" 2860-32512 4.5" 2.5" 2.0" .830" M16 1.25"
15"&24"* 2860-40512 6.0" 3.0" 2.0" 1.00" M20 1.56"
*3/32 x 90° serrations

Soft Jaws
Chuck Size Part Number Length A Height B Width C Slot D Bolt Size E Hole Spacing F
6" 8140-17512 2.75" 1.5" 1.25" .475" M8 .79"
8" 2860-21512 3.25" 2.0" 1.5" .670" M12 1"
10" 2860-21512 3.25" 2.0" 1.5" .670" M12 1"
12" 2860-32512 4.5" 2.5" 2.0" .830" M16 1.25"
15"&24"* 2860-40512 6.0" 3.0" 2.0" 1.00" M20 1.56"
*3/32 x 90° serrations


T-Nuts, 2 required per jaw
Chuck Size Part Number Length A Height B Width C Neck D Bolt Size E Shoulder
6" 8820-17591 .47" .82" .69" .470" M8 -
8" 2870-17591 .88" .91" .73" .669" M12 0.35
10" 2870-17591 .88" .91" .73" .669" M12 0.35
12" 2870-26591 1.12" 1.06" .94" .826" M16 0.43
15"-24" 2870-40591 1.10" 1.14" 1.42" .999" M20 0.43


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J-LOC Quick Change Chuck Jaws!

Available For Most Chucks With Removable Top Jaws