Types of binding material:
• Screws, washers, lock washers and nuts galvanised or of black hardness 8.8
• Screws and nuts of black hardness 10.9
• Bolts, washers, lock washers and nuts stainless
• Allen bolts with head
• Allen bolts without head
• Full thread studs
• Castle nuts, self-securing nuts
• Plow bolts and agricultural use bolts
• Wide washers
• Nuts counterclockwise
• Shaft and bore retaining rings
• Split pins
• Pins and linch pins for tractors
• Spring slotted pins
• Parallel and woodruf keys