BLACK BOOK FASTENER 4J Whether you're repairing stripped threads

Whether you're repairing stripped threads or reinforcing high-load applications

Precision chamfered tips for smooth fastener engagement

these sockets provide superior strength and corrosion resistance

The Kincrome 200mm Round Bastard File is ideal for smoothing and enlarging holes

With quiet battery operation

BLACK BOOK FASTENER 4J Whether you're repairing stripped threadsThe Fastener Black Book is a comprehensive, easy to use technical reference dedicated entirely to fasteners. With over 240 matt laminated, greaseproof pages, its built for durability in workshops, tool rooms, engineering bays and technical training environments. Clear formatting and practical layout make it simple to find the exact data you needwhether youre designing, repairing, fabricating or studying. Inside, youll find 248 pages of fastener