The Velobanjogent: Motorcycle threads...information from a pre 1930s booklet.....
British Standard Cycle Threads (BSCy / CEI) Archives - Stig Fasteners Ltd
3/4 BSCy CEI cycle thread - 20tpi small hex nuts - bar turned cadmium plated | eBay
BS Cycle Thread Gauges – Q.M.I - Quality Master International
BSCy Studs - (26 TPI British standard Cycle Thread/ CEI)
WHITWORTH AND OTHER BRITISH THREADS | JRC Engineering, Inc.
British Threads - British Standard Brass
grubb1937: On Cycle Threads
BSW/BSF Thread Dimensions Chart | Optimas International
Threads
Threads
AC 2 LITRE SALOON - FASTENERS
Untitled Page
Solid Fluid - British Standard Cycle
BSW/BSF Thread Dimensions Chart | Optimas International
British Standard Fine Thread | BSF Thread Chart | Apollo International
Fastener Standards - 1969 - Britbike forum
C.E.I.-Thread
What is BS Cycle Thread | Heads & Threads
CEI CYCLE THREAD “26 TPI” | JRC Engineering, Inc.
Information about fastenings - Draganfly Motorcycles
BS Conduit Thread Gauges
Thread data BSW, BSF, BSP 55°; BA Tread Form - Angle of thread = 47. 5 degrees, rounded at top and bottom BA
British Threads - Whitworth
Threads
WHITWORTH AND OTHER BRITISH THREADS | JRC Engineering, Inc.
no thread options for BSC (British Standard Cycle) Thread Data - Autodesk Community - Fusion 360
