Class 2 and Class 3
Military Fasteners

American Made Bolts

More than 70 Years of Experience

Auto Bolt is a cold-heading manufacturer with over 70 years of experience in quality bolt-making. We manufacture military-spec fasteners which are fully traceable and DFARS-Compliant.

Auto Bolt is an ISO9001 and Defense Logistics Agency (DLA) Qualified Supplier List for Manufacturers (QSLM) Class 2 and Class 3 certified manufacturer. Full chemical and physical certification or certificate of conformance is available for all parts.

Auto Bolt is capable of manufacturing to the ordinance and special military location prints. Many secondary operations such as drilling, tapping, slotting, broaching, shaving and milling are available. All forms of mil-spec. plating requirements can be supplied.

Auto Bolt can supply all of your B1821BH requirements, including those with special requirements such as D, L and C suffixes for locking requirements.

Cage Code 0CUJ9

Manufacturing Parameters
Inches Metric
Diameter 1/4" - 1 1/8" M6 - M27
Length 3/4" - 12" 20mm - 300mm
Military Fastener Part Reference
Line Card MS16208
MS18153
MS18154
MS20069
MS20392
MS35307
MS35308
MS35310
MS35355
MS35356
MS35743
MS35744
MS35745
M535751
MS35753
MS35754
MS35763
MS35764
MS51095
MS51096
MS51099
MS51100
MS51105
MS51106
MS51107
MS51108
MS51109
MS51110
MS90725
MS90726
MS90727
MS90728
MS
B1821BH
B18231BH
NASM
NAS
AS
TACOM PRINT - 19207