1st Edition Fastener Black Book 6571112 Suitable for materials up to

Suitable for materials up to 35-52 HRC

Switching Segments - 84

1/4 Set Screw 5 pcs 7/16 Hex nuts 15 pcs

25 x 50 Metric Coarse x 10 Pieces Hex Flange Bolts & Nuts Zinc Plated

O/all length 2-7/8"

1st Edition Fastener Black Book 6571112 Suitable for materials up toThe 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