1st Edition Fastener Black Book 6571112 O/all length 2-7/8"

O/all length 2-7/8"

Suitable for materials up to 35-52 HRC

t15 x 100mm

Drill diameter 31mm

Conical J-102 Cutter 10 Deg Per Side

1st Edition Fastener Black Book 6571112 O/all length 2-7/8"The 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