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Top Tooling 1.5mm x 60° and 3mm x 60° Serrations

For: Pratt Burnerd, Howa, Kitagawa, Matsumoto and others

View Machining Soft Blank Top Jaws (pdf file)

View Guide to Top Tooling (pdf file)

Soft Jaws
Chuck SizePart NumberLength AHeight BWidth CSlot DBolt Size EHole Spacing FOffset Pointed Part NumberOffset Length AHExtra High Part NumberExtra High B Height
6"*8140-175253.125"1.5"1.25".475"M10.78"N/A--N/A-
8"8140-215253.5"2.0"1.5".551"M121.0"8140-21525OP4.25"2.45"8140-21525EH3.5"
10"8140-265254.0"2.0"1.5".630"M121.18"8140-26525OP5.0"3.15"8140-26525EH3.5"
12"8140-315255.25"2.0"2.0".71"M141.18"8140-31525OP6.25"4.15"8140-31525EH3.5"
12"8140-B2125.5"2.0"2.0".826"M161.18"8140-B212OP6.25"4.15"8140-B212EH3.5"
15"&18"8140-405256.5"2.5"2.5".866"M201.69"8140-40525OP7.5"4.41"8140-40525EH3.5"
20"x24"**8140-505257.0"2.5"2.5".984"M202.36"8140-50525OP8.0"-8140-50525EH3.5"
* 6" Jaw Part No. 8140-17525 Comes Standard as Offset Pointed
** 20" & 24" Jaws have 3mm x 60º Serrations
T-Nuts: for Atlas ATL Series and Kitagawa Chucks (inch/mm)
Chuck SizePart NumberLength
A
Height
B
Width
C
Neck
D
Bolt Size
E
Hole Spacing
F
Shoulder
G
6"N206-101.417/36.728/18.5.689/17.5.472/12M10.787/20.295/7.5
8"N208-101.83/46.5.807/20.5.807/20.5.551/14M12.984/25.335/8.5
10"N210-102.0/51.846/21.5.886/22.5.629/16M121.18/30.335/8.5
12"N212-102.18/55.51.095/27.81.16/29.5.826/21M161.18/30.453/11
15"/18"N215-103.15/801.791/45.51.32/33.5.945/24M201.69/43.649/16.5
20"/24"*V224-101.81/461.77/451.476/37.5.984/25M20Spilt Design.748/19
* Part No. V224-10 Split T-Nut design 2 required per jaw
T-Nuts: for PBA Constant Grip, Quick Change Jaw Chucks and PBA Setrite Power Chucks
(Split type) 2 required per jaw
Chuck SizePart NumberLength
A
Height
B
Width
C
Neck
D
Bolt Size
E
Shoulder
F
6"8130-17590.64".82".69".472"M10.30"
8"8130-21590.74".98".87".55"M12.37"
10"8130-26590.74"1.0".91".627"M12.34"
12"8130-31590.97"1.3"1.03".707"M14.53"
15"-18"8130-40590.97"1.75"1.32".864"M20.62"
20"&Up8130-505901.2"1.47"1.32".980"M20.43"
*Hard Top Jaws: for PBA, Kitagawa and others (Split T-Nut Req’d)
Chuck SizePart NumberLength
A
Height
B
Width
C
Slot
D
Bolt Size
E
Bolt Spacing
F
6"8130-176242.56"1.57"1.18".475"M10.669"
8"8130-216242.95"1.96"1.57".551"M12.748"
10"8130-266242.95"1.96"1.57".63"M12.748"
12"8130-316244.52"2.36"1.96".71"M14.948"
15"-18"8130-406244.92"2.95"2.36".866"M20.948"
20" & Up8130-506246"2.95"2.36".984"M202.36"
* Some manufacturers’ “F” dimension may vary. It may be necessary to buy split T-nuts or split existing nuts
** 20" & up" Jaws have 3mm x 60º Serrations