The thread pitch measures 1"-24

The Biltwell seat bracket is engineered to fit the mounting studs on most solo seats and features two long slots for adjustability

decorative nuts and high strength chain adjusters

This Universal Frisco Gas Tank Mounting Kit with Brass Inserts includes a pair of custom laser cut mild steel plates

- Half 1/2"-20 fine thread

#2452-2 Clutch Tension Adjusting Nut and Lock Washer 1936-1940 Harley-Davidson Big Twin - Parkerized Vendor_Ceandess LTD (Wolverhampton) The thread pitch measures 1"-24Parkerized clutch tension adjusting nut, OEM# 2548 36 and lockwasher, OEM# 2471 36 used on 1936 40 Big Twins. Made in Ohio, USA.