BPK Series

                                                                                                                                                                    
Part
Number
A
±.005
E
Dia.
Nom.
C
Groove Dia.
±.010
L1
±.010
L2
±.010
S
±.015
W
±.015
Hole Size in Material
Min. Hole
Depth
Hole Dia.
±.002
BPK440 .188 .156 .138 .055 .080 .140 .020 .206 .156
BPK632 .250 .188 .165 .075 .105 .190 .030 .285 .188
BPK832 .312 .219 .195 .095 .130 .235 .045 .355 .219
BPK1032 .375 .250 .235 .110 .160 .280 .060 .415 .250
BPK1024 .375 .250 .235 .110 .160 .280 .060 .415 .250
BPK25020 .500 .312 .290 .150 .210 .375 .080 .540 .312
All dimensions are in inches

Notes:
Thread Spec. Per MIL-S-7742
(Collapsed slot and burrs may cause prevailing torque while thread accepts Class 3A/4h Screw).
Brass per ASTM-B-16

Part Number Example

BPK-440

Material: Brass, Series: PK, Thread: 4-40




APEX FASTENERS, Inc 15858 Business Center Drive Irwindale, CA 91706 USA
APEX Fasteners supplies standard and custom screws, nut retainers, shoulder screws, plastites and taptites, all types of rivets, spring steel fasteners and special stampings, sems screws in standard, fractional or metric to electronics, aviation and other OEM industries worldwide. ApexFasteners.com custom manufactures screw machine components for electronic enclosure hardware as well as cold forming and cold headed specials for assembly and production requirements.
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