1st Edition Fastener Black Book 5055280 25 Hexagon Nut -30Pk

25 Hexagon Nut -30Pk

12mm x Cylindrical (Square)

Triple-riveted end hook

Overall Length: 364mm "

Conical A-303 Cutter 1 Deg Per Side

1st Edition Fastener Black Book 5055280 25 Hexagon Nut -30PkThe ultimate fastener reference book! Ideal for engineers, trades people, apprentices, machine shops & tool rooms. Includes a bonus thread pitch identification gauge. Pocket sized format makes this book an ideal reference in any tool kit Lay flat format with wire binding for ease of use on workbench Over 240 matt laminated grease proof pages What's inside: Screw thread fundamentals Standards Heat treatment Thread classes Grades Materials & coatings