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Molded Type 8 Thread Blind Insert

               

English Part
Number
Thread
Size
Minor
Dia.
A B
±.005
C D Knurl
TPI
B256-8 2-56 .070 .156 .250 .141 .030 40
B440-8 4-40 .089 .188 .344 .171 .030* 40
B632-8 6-32 .110 .218 .406 .201 .062* 30
B832-8 8-32 .136 .250 .406 .225 .062* 30
B1024-8 10-24 .149 .281 .531 .259 .062* 30
B1032-8 10-32 .159 .281 .531 .259 .062* 30
B25020-8 1/4”-20 .201 .344 .625 .320 .094 20
B25028-8 1/4”-28 .214 .344 .625 .320 .094 20
B31218-8 5/16”-18 .257 .437 .719 .403 .094 20
B31224-8 5/16”-24 .272 .437 .719 .403 .094 20
B37516-8 3/8”-16 .312 .500 .812 .465 .094 20
B37524-8 3/8”-24 .333 .500 .812 .465 .094 20
B50013-8 1/2"-13 .438 .687 1.00 .625 .094 16
*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
BM2-8
M2x0.4 .063 .156 .250 .141 .030 40
BM3-8
M3x0.5 .099 .188 .344 .171 .030* 40
BM3.5-8
M3.5x0.6 .115 .218 .406 .201 .062* 30
BM4-8
M4x0.7 .131 .250 .406 .225 .062* 30
BM5-8
M5x0.8 .166 .281 .531 .259 .062* 30
BM6-8
M6x1.0 .199 .344 .625 .320 .094 20
BM8-8
M8x1.25 .266 .437 .719 .403 .094 20
BM10-8
M10x1.5 .337 .500 .812 .465 .094 20
BM12-8
M12x1.75 .402 .687 1.00 .625 .094 16
*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.

Notes:
Thread Spec. Per MIL-S-7742
Brass per ASTM-B-16
300 Series Stainless Steel per MIL-S-7720 ASTM A581/A582
Dimensional Limits plus or minus .003 unless specified.
Minor Thread Diameter Tolerance +.002/-.001


VMP, INC.
24830 Avenue Tibbitts
Valencia, California 91355 USA
Order Toll Free: (888) 4 VMP INC (486.7462)
Phone: 661.294.9934 • Fax: 661.294.0542
E-Mail: info@vmpinc.com

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