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Norton Stud Cylinder Base
3/8" x 1.7/8" long 48mm
Crank case end 3/8"16TPI WW
Nut thread 3/8" 26TPI BSC/CEI

Made in England

Norton Cylinder Head Stud
1.7/8" x 3/8" 26TPI BSC/CEI 20TPI BSF

Made in England studs for cylinder head to barrel 750 cc Norton Atlas

Norton/Triumph Stud 4.1/2" x 5/16" UNF/UNC

Made in England

Triumph Stud
1.9/16" x 3/8" 16TPI UNC/24TPI UNF
Length: 1 9/16"
Thread: 16TPI UNC
Thread fine: 24TPI UNF

Made in England

Triumph Stud 1.3/8" x 7/16" 20TPI UNF

Made in England

Norton Stud 6.1/4" x 3/8" x 26TPI

Made in England

Norton Stud 4.7/8" x 5/16"26TPI CEI/BSC
L: 125.5mm

Made in England

Norton Commando Bottom Gearbox Mounting Bolt
can also be used for AJS/Matchless/Norton after 1956
5" x 1/2" 20TPI UNF

Made in England

Triumph/Norton Stud
4.23/32 x 3/8" UNF/UNC
Made in England

BSA Mounting Stud 7.4" x 3/8" 26TPI BSC/CEI

Made in England

Triumph Rockerbox Bolt 1/4" UNC x 2 1/4" WW TR7/T140

BSA Crankcase Stud A50/A65
1.1/2" x 5/16" 24TPI UNF/18TPI UNC

Made in England

Triumph Stud Inlet Manifold 1969-82
2" x 1/4" 28TPI UNF/20TPI UNC

Made in England

Triumph Petrol Tank Stud B & C Range
Middle 11/32"
1.1/2" x 5/16" 24TPI UNF

Made in England

BSA Cylinder Base Stud A65
1.3/4" x 3/8" 24TPI UNF/16TPI UNC 3/8" UNF to UNC 1.11/16"

Made in England

Triumph Front Engine Plate Stud 500cc

4.5/16 x 5/16"UNF/24TPI both ends

Made in England

Triumph Rockerbox to Head Steady Stud

1.1/2" x 3/8"UNF/24TPI x 3/8"UNC/16TPI

Made in England

BSA Cylinder Base Stud

1.7/8" x 7/16" 20TPI UNF/14TPI UNC

Made in England

BSA/Norton Stud
1.3/8" x 1/4"26TPI BSC BSF/20TPI WW

Made in England

BSA/Triumph Stud for Oil Junction Block
1.1/4" 5/16" 26TPI/BSC both ends
L: 32 mm
Carburettor Stud BSA M20/M21 1949-1958

Made in England

BSA Cylinder Base Stud A7/A10

1.5/16" x 5/16"26TPI BSC/18TPI WW

fitting Nut:
NB225
fitting washer:
NB99

Made in England

BSA/Triumph Stud 7/8" x 1/4" x 26TPI BSC/BSF/CEI
both ends

Made in England

Royal Enfield Piston Bullet/Clipper 350cc 1948-58 O.H.V. +020
69.874mm +020 (=70.374mm)
Hepolite
Gudgeon Pin Diameter: 19mm
Compression Height: 35.5mm

G2, 350 Bullet, 350 Clipper,
Compression Ratio: 6.5:1

One Piston Ring is missing.

Royal Enfield Piston 250/500cc 1949-57 O.H.V Twin Std.
63m969mm

Royal Enfield Piston Bullet 350cc 1936-39 O.H.V. Std.
69.849mm

Hepolite Heplex