A wealth of up-to-date, useful, information within the matte laminated grease proof pages. Wire bound to stay flat on workbench when reading and is ideal for engineers, trades people, apprentices, machine shops, tool rooms, technical colleges and more.

Features:

• 200+ page pocket book
• FREE Thread Pitch Identification Gauge
• Screw thread fundamentals
• Standards
• Thread classes
• Materials & coatings
• Grades
• Fastener strengths & markings
• Dimensional specifications DIN/ISO/ANS
• Screw thread profiles
• Thread terminology
• Tolerances
• Platings