HARD JAWS - 1/16" x 90° Serrations

HARD JAWS-2 STEP
1/16" x 90° Serrations
FEATURES:

Designed for first operation roughing, expect standard runout between 0.005-0.010
Reversible-suitable for OD & ID workholding.
XTRA BITE -very aggressive bite. Has conical teeth for extra gripping power and ground body to provide improved runout.

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		Critical Dimensions
Group Number	Chuck Size	Groove Width G	Screw Size E	Hole Space D	Width Inch C	OAL Inch B	Height Inch A	No. of Holes	No. of Steps	Top Step Ht S1	Mid Step Ht S2	Bot Step Ht S3	Part Number
I1-43-71	6	0.433 (11mm)	5/16	0.719 (18.5mm)	1.250	3.000	2.000	3	2	0.500	0.500	1.000	PH-60HJ2-X
I1-55-87	6	0.551 (14mm)	3/8	0.875 (22mm)	1.250	3.000	2.000	3	2	0.375	0.375	1.250	PH-61HJ2-X
I1-66-94	8	0.669 (17mm)	1/2	0.945 (24mm)	1.500	3.500	1.969	3	2	0.530	0.530	0.909	PH-80HJ2-X