E2539 Nut, possibly the most commonly used nut on any Villiers motor. Thread is 1/4 BSF / Cycle. And the Hex is the reduced 1/8W.
E364 nut, commonly used from pre war right up to the end. Common as engine - gearbox nuts and as cylinder base nuts. Thread is 5/16 cycle (26tpi)...
Crankshaft sprocket nut. Fits nearly all post war engines. 1/2" x 20 tpi. Fitted along with washer E5706.
Chaincase fixing nut. Fits 8D 9D 10D 6E engines.
Twin head nut / bolt made to original sizes from polished stainless. Also comes with stainless washer too. Fits 2T 3T 4T.
Twin cylinder head nut / bolt. These are made to exact specification and finished in bright zinc. Fits all 2T 3T 4T motors.