Molded Type Thread Blind Inserts 8 Thread

American Part Number	Thread Size	Minor Dia.	A	B ±.005	C	D	Knurl TPI	Brass	Stainless Steel	Aluminum

B256-8	2-56	.070	.156	.250	.141	.030	40	Select	Select	Select
B440-8	4-40	.089	.188	.344	.171	.030*	40	Select	Select	Select
B632-8	6-32	.110	.218	.406	.201	.062*	30	Select	Select	Select
B832-8	8-32	.136	.250	.406	.225	.062*	30	Select	Select	Select
B1024-8	10-24	.149	.281	.531	.259	.062*	30	Select	Select	Select
B1032-8	10-32	.159	.281	.531	.259	.062*	30	Select	Select	Select
B25020-8	1/4”-20	.201	.344	.625	.320	.094	20	Select	Select	Select
B25028-8	1/4”-28	.214	.344	.625	.320	.094	20	Select	Select	Select
B31218-8	5/16”-18	.257	.437	.719	.403	.094	20	Select	Select	Select
B31224-8	5/16”-24	.272	.437	.719	.403	.094	20	Select	Select	Select
B37516-8	3/8”-16	.312	.500	.812	.465	.094	20	Select	Select	Select
B37524-8	3/8”-24	.333	.500	.812	.465	.094	20	Select	Select	Select
B50013-8	1/2"-13	.421	.687	1.00	.625	.094	16	Select	Select	Select
*Non standard “D” dimension available in both .030 and .062 (BB832-8 .030 or BBM4-8 .030) Material Designation: Insert the letter “B” Brass or “C” Stainless as the first digit of part.

Metric Part Number	Metric Thread Size	Metric Minor Dia.	A	B ±.005	C	D	Knurl TPI	Brass	Stainless Steel	Aluminum

BM2-8	M2x0.4	.063	.156	.250	.141	.030	40	Select	Select	Select
BM3-8	M3x0.5	.099	.188	.344	.171	.030*	40	Select	Select	Select
BM3.5-8	M3.5x0.6	.115	.218	.406	.201	.062*	30	Select	Select	Select
BM4-8	M4x0.7	.131	.250	.406	.225	.062*	30	Select	Select	Select
BM5-8	M5x0.8	.166	.281	.531	.259	.062*	30	Select	Select	Select
BM6-8	M6x1.0	.199	.344	.625	.320	.094	20	Select	Select	Select
BM8-8	M8x1.25	.266	.437	.719	.403	.094	20	Select	Select	Select
BM10-8	M10x1.5	.337	.500	.812	.465	.094	20	Select	Select	Select
BM12-8	M12x1.75	.394	.687	1.00	.625	.094	16	Select	Select	Select
*Non standard “D” dimension available in both .030 and .062 (BB832-8 .030 or BBM4-8 .030) Material Designation: Insert the letter “B” Brass or “C” Stainless as the first digit of part.