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Quick-Change Jaw Grip Fast Power Chucks, Standard and King Bore
Untitled Document

Constant Grip High Speed Thru-Hole Power Chucks, Sizes 6" Thru 24"

Shown with optional jaw setting fixture and hard reversible top jaws.
Jaw Presetting Fixture Order Number 1009-07090 for use with 6", 8", 10", 12", 15", 18" and 20" sizes Standard Bore and King Bore Models Quick Change Jaw Power Chucks.
One Year Warranty

  • ±.0005" Repeatability
  • 3-Point Adjusting Feature in the chuck body permits indicating in to zero.
  • Increase Soft Jaw Life by using adjustment feature. Reduce or eliminate re-boring of Soft Jaws.
  • High RPM ... up to 6,000 using standard top jaws ... without loss of gripping force, due to internally counter-balanced design.
  • Quick Change Master Jaws, 2 sets supplied with each chuck permits offline pre-assembly of top tooling for next job reducing traditional setup time by 95%.
  • SAFE Visual Indicator shows when Master Jaws are in the unlocked mode.
  • Utilize existing top tooling by selecting style of master jaws from 1.5 x 60, 1/16 x 90, Am. Std. Acme, Am. Std Tongue & Groove and Square Serrations or substitute mono block jaws. Sets can be mixed styles.
  • Doubles as collet chuck as master jaws have keyed radius in front that accept standard W & S collet pads. Eliminate time wasted on switching over to collet chuck.
  • Large Thru-Hole Capacity.
  • Utilize the machine's existing actuating cylinder - does not require long stroke cylinder.
  • Easy Installation - removable blank sleeve in the chuck allows the customer to bore and thread the sleeve of the chuck to match existing drawtube or drawbar. PBA can supply chuck sleeve prethreaded on request, at a nominal charge.
  • Optional Jaw Setting Fixture (as shown) for presetting top jaws off the machine for the next job, while the machine is still running. A real timesaver!
  • Sizes 6", 8", 10", 12", 15", 18", 20" and 24" diameters.

See complete product details in our latest catalog >>

Table Test

Chuck
Size
Mount
(D)Direct (I)Indirect
RPM Model No.* Jaw
Stroke
Sleeve
Stroke
Thru
Hole
Collet Pad
Bar Capacity
Tooling
Hole Size
Operating
Force lbs/f
Grip
Force lbs/f
Wt
(lbs)
6.5" A2-4(I) 6000 9131-217__ .140" .630" 1.65" 1.5" 5/16" UNC 3,600 9,900 31
6.5" A2-5(D) 6000 9131-317__ .140" .630" 1.65" 1.5" 5/16" UNC 3,600 9,900 31
6.5" A2-6(I) 6000 9131-417__ .140" .630" 1.65" 1.5" 5/16" UNC 3,600 9,900 31
8.25"A2-5(I)55009131-321__.140".630"2.05"2.0"5/16" UNC5,40015,00053
8.25"A2-6(D)55009131-421__.140".630"2.05"2.0"5/16" UNC5,40015,00053
8.25"A2-8(I)55009131-521__.140".630"2.05"2.0"5/16" UNC5,40015,00053
10.0" A2-6(I) 5000 9131-426__ .160" .730" 2.56" 2.5" 3/8" UNC 7,200 19,800 82
10.0" A2-8(D) 5000 9131-526__ .160" .730" 2.56" 2.5" 3/8" UNC 7,200 19,800 82
12.0"A2-8(I)42009131-531__.160".730"3.54"3.0"3/8" UNC9,90027,000150
12.0"A2-11(D)42009131-631__.160".730"3.54"3.0"3/8" UNC9,90027,000150
15.0" A2-8(I) 3000 9131-538__ .200" .790" 4.92" 4.5" 3/8" UNC 13,500 31,500 280
15.0" A2-11(D) 3000 9131-638__ .200" .790" 4.92" 4.5" 3/8" UNC 13,500 31,500 280
18.0"A2-8(I)25009131-546__.236".984"5.59"5.5"1/2" UNC15,50038,250375
18.0"A2-11(I)25009131-646__.236".984"5.59"5.5"1/2" UNC15,50038,250375
20.0" A2-11(I) 2500 9131-650__ .236" .984" 5.59" 5.5" 1/2" UNC 15,500 38,250 550
24.0"A2-11(I)20009131-661__.315".984"6.299"6.0"1/2" UNC20,70038,250760
24.0"A2-15(D)20009131-761__.315".984"6.299"6.0"1/2" UNC20,70038,250760
King Bore Quick-Change Chucks
7.0" A2-5(D) 7000 9171-317__ .140" .630" 2.20" 2.0" 5/16" UNC 4,500 13,000 37
8.25"A2-6(D)55009171-421__.140".630"2.59"2.5"5/16" UNC5,40015,00053
10.43" A2-6(I) 5000 9171-426__ .160" .730" 3.03" 3.0" 3/8" UNC 7,200 19,800 82
10.43"A2-8(D)50009171-526__.160".730"3.03"3.0"3/8" UNC7,20019,80082
12.40" A2-8(I) 4200 9171-531__ .160" .730" 4.05" 4.0" 3/8" UNC 9,900 27,000 183
12.40"A2-8(D)42009171-631__.160".730"4.05"4.0"3/8" UNC9,90027,000183
*Insert last two digits for Master Jaw type...Example 9131-21723...Indicates 1.5mm x 60°: Master Jaw Required
Use 23 for 1.5mm x 60° Japanese type.** Use 07 for Am. Std Tongue & Groove. Use 10 for 1/16 X 90° Serrations.*
Use 26 for Acme Serration. Use 27 for Square Serration.
NOTE: 18, 20" & 24" dia. chucks require separate collet pad master jaws: 18"-#8130-46696, 20"-#8130-50696 & 24"-#8130-61696.
HOW TO ORDER: State quantity, Model Number of chuck, Machine Make & Model, and shipping instructions.

Table Test

Dimensional and Performance Data (in inch)
  E
Chuck SizeABCDFMaxMin
6-A4 6.496 4.685 4.803 3.25 0.787 2.126 1.339
6-A5 6.496 4.842 4.96 4.125 0.787 2.126 1.339
6-A6 6.496 5.078 5.196 5.25 0.787 2.126 1.339
8-A58.265.1195.2754.12512.6371.733
8-A68.265.3545.515.2512.6371.733
8-A88.265.7055.8626.7512.6371.733
10-A6 10 5.511 5.669 5.25 1.181 3.268 2.087
10-A8 10 5.905 6.063 6.75 1.181 3.268 2.087
12-A8126.6146.7716.751.1814.2912.362
12-A11126.6146.7719.251.1814.2912.362
15-A8 15 6.929 7.086 6.75 1.693 5 3.228
15-A11 15 6.929 7.086 9.25 1.693 5 3.228
18-A8187.727.786.751.6936.7724.527
18-A11187.727.789.251.6936.7724.527
20-A11 19.68 7.362 7.499 9.25 2.362 8.09 5.059
24-A1124.027.567.729.252.36210.095.77
24-A1524.027.567.72132.36210.095.77
***9.45"/13"/16.53"/20.08"
(T) Draw Tube Thread Blank
1. Dimensions listed are with 1.5 x 60° Japanese type master jaws. Some dimensions will vary using other Master Jaw types such as Acme, 1/16" x 90° or Am. Std. Tongue & Groove.
2. Chuck is at mid stroke with master jaws flush with the body O.D.
3. UNC mounting bolts available upon request.
Dimensional and Performance Data (in inch)
    L  
Chuck Size G H J K Min Max S W
6-A4 M10x25(6) M10x25 5⁄16 UNFx1⁄2 2.99 0.94 1.57 0.475 1.22
6-A5 M10x130(3) M10x25 5⁄16 UNFx1⁄2 2.99 1.1 1.73 0.475 1.22
6-A6 M12x30(6) M10x25 5⁄16 UNFx1⁄2 2.99 1.5 2.13 0.475 1.22
8-A5 M10x30(6) M12x35 3⁄8 UNFx3⁄4 3.94 0.98 1.61 0.551 1.57
8-A6 M12x130(3) M12x35 3⁄8 UNFx3⁄4 3.94 1.19 1.81 0.551 1.57
8-A8 M16x30(6) M12x35 3⁄8 UNFx3⁄4 3.94 2.02 1.75 0.551 1.57
10-A6 M12x35(6) M12x35 1⁄2 UNFx3⁄4 4.53 1.02 2.15 0.63 1.57
10-A8 M16x150(3) M12x35 1⁄2 UNFx3⁄4 4.53 1.41 2.03 0.63 1.57
12-A8 M16x40(6) M14x45 1⁄2 UNFx3⁄4 5.71 1.3 2.03 0.71 1.81
12-A11 M20x160(3) M14x45 1⁄2 UNFx3⁄4 5.71 1.3 2.03 0.71 1.81
15-A8 M16x35(6) M20x55 1⁄2 UNFx3⁄4 473/789 1.38 2.16 0.866 2.36
15-A11 M20x180(6) M20x55 1⁄2 UNFx3⁄4 473/789 1.38 2.36 0.866 2.36
18-A8 M16x40(6) M20x55 1⁄2 UNFx3⁄4 433/630 1.38 2.36 0.984 2.36
18-A11 M20x35(6) M20x55 1⁄2 UNFx3⁄4 433/630 1.38 2.36 0.984 2.36
20-A11 M20x45(6) M20x35 1⁄2 UNFx3⁄4 705/994 1.38 2.36 0.984 2.36
24-A11 M20x45(6) M20x35 1⁄2 UNFx3⁄4 *** 1.57 2.56 0.984 2.36
24-A15 7/8-9x8(6) M20x35 1⁄2 UNFx3⁄4 *** 1.57 2.56 0.984 2.36
***9.45"/13"/16.53"/20.08"
(T) Draw Tube Thread Blank
1. Dimensions listed are with 1.5 x 60° Japanese type master jaws. Some dimensions will vary using other Master Jaw types such as Acme, 1/16" x 90° or Am. Std. Tongue & Groove.
2. Chuck is at mid stroke with master jaws flush with the body O.D.
3. UNC mounting bolts available upon request.
Mono block jaws are extremely accurate solid one piece design ideal for dedicated jobs, and will allow you to work closer to the chuck face, due to no jaw bolt obstructions. For longer service Mono Block Jaws are made from a nitride hardening material to allow hardening after forming without major distortion.
See our product catalog for dimensions.
Extra Sets of Master Jaws for Quick Change Jaw Power Chucks
  6" 8" 10" 12" 15" 18" 20" 24"
Master Jaw Type - 1.5mm x 60°
Fine Serration (Japanese Type)
8130-17623 8130-21623 8130-26623 8130-31623 8130-40623 8130-46623 8130-50623** 8130-61623**
1/16 x 90°
Fine serration (European Type)
8130-176108130-216108130-266108130-316108130-38610*8130-46610*8130-50610*8130-61610*
Acme Serration N/A 8130-21626 8130-26626 8130-31626 8130-40626 8130-46626 8130-50626 8130-61626
American Std. Tongue & Groove8130-176078130-216078130-266078130-316078130-386078130-466078130-506078130-61607
Square Serration N/A 8130-21627 8130-26627 8130-31627 8130-38627 8130-46627 8130-50627 8130-61627
Mono Block Jaw***8130-17601P8130-216018130-266018130-316018130-386018130-466018130-506018130-61601
**20" & 24" diameter chucks supplied with 3mm x 60° serrations * 15", 18" 20" and 24" diameter chucks supplied with 3/32" x 90° serrations
*** Also available in longer pointed design