151 Series

THREADED INSERT, BLIND, SNAP-IN HEAD STYLE
HEAVY DUTY, “HIGH PERFORMANCE SPIRAL RIB”

**TABLE I**
CODE NO.	T THREAD	A DIA ± .010	B SELF-LOCK ± .06	C DIA ± .010	INSTALL HOLE +.010 / -.000
632	6-32 UNJC	.500	.12	.427	.468
832	8-32 UNJC	.500	.12	.427	.468
1032	10-32 UNJF	.531	.12	.458	.500

420	1/4-20 UNJC	.594	.16	.521	.562
428	1/4-28 UNJF	.594	.16	.521	.562

518	5/16-18 UNJC	.656	.20	.583	.625
524	5/16-24 UNJF	.656	.20	.583	.625

616	3/8-16 UNJC	.719	.20	.646	.687
624	3/8-24 UNJF	.719	.20	.646	.687

714	7/16-14 UNJC	.781	.20	.708	.750
720	7/16-20 UNJF	.781	.20	.708	.750

813	1/2-13 UNJC	.844	.20	.771	.812
820	1/2-20 UNJF	.844	.20	.771	.812

**TABLE II**
DASH NO.	L ± .03 LENGTH	MINIMUM FULL THREAD DEPTH
DASH NO.	L ± .03 LENGTH	#6	#8	#10	1/4	5/16	3/8	7/16	1/2
-5	.312	.162	.162	—	—	—	—	—	—
-6	.375	.225	.225	.175	—	—	—	—	—
-7	.437	.276	.287	.237	—	—	—	—	—

-8	.500	.276	.328	.300	.225	—	—	—	—
-10	.625	.276	.328	.375	.350	.350	.350	—	—
-12	.750	.276	.328	.375	.475	.475	.475	.400	.400

-14	.875	.276	.328	.375	.500	.600	.600	.525	.525
-16	1.000	.276	.328	.375	.500	.625	.725	.650	.650
-18	1.125	.276	.328	.375	.500	.625	.750	.775	.775

-20	1.250	.276	.328	.375	.500	.625	.750	.874	.900
-22	1.375	.276	.328	.375	.500	.625	.750	.874	1.000
-24	1.500	.276	.328	.375	.500	.625	.750	.874	1.000

EXAMPLE: PART NUMBERING SYSTEM

**TABLE III**
DASH NO.	SKIN THICKNESS INSTALL SIDE
-1	.010-.019
-2	.020-.029
-3	.030-.039
-4	.040-.049
-5	.050-.059
-6	.060-.069
-7	.070-.079
-8	.080-.089
-9	.090-.099