Types

• Type B: Smooth contact face
• Type R: Serrated contact face
• Type BR: Smooth contact face, with automatic return
• Type RR: Serrated contact face, with automatic return

Steel

Tempered, phosphated

Ball

Steel

Hardened, blank

Spring element

Plastic (PUR)

(Type BR / RR)

Hexagon nut ISO 4035 (DIN 439)

Steel

Blackened