The Triumph Phillips Head Screw PN# 21-1916 is a precision-manufactured fastener designed specifically for vintage Triumph motorcycle restorations and maintenance. It features a 1/4-20 thread with a length of 1 1/8 inch and a distinctive 1/2 inch shoulder, providing reliable anchoring and correct fit in key assembly locations.​
Key Features
- Phillips head design ensures easy engagement and torque transfer during installation.​
- 1/4-20 thread for standard compatibility with vintage British motorcycles and restoration hardware.​
- 1 1/8 inch measured length with an essential 1/2 inch shoulder for proper alignment in covers, cases, or assembly points.​
- Manufactured from durable materials to meet OEM and restoration standards, resisting wear, vibration, and environmental corrosion.​
Application and Fitment
- This screw is intended for use in Triumph motorcycle covers and assemblies requiring precise length and shoulder tolerances, making it ideal for restoration professionals and enthusiasts seeking OEM standards.
- Commonly used in engine and side covers, gearbox housings, and frame hardware where factory-fit shoulder screws are necessary for proper function and appearance.​
The product images shown are for illustrative purposes only and may not be an exact representation of the product received. Manufacturers occasionally make minor cosmetic changes to items, such as color, finish, label, or design. These changes do not impact the item’s function or compatibility. Please contact us if you have specific concerns regarding appearance.
