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Lockbolt ERSCSK20-20 C50L90-BR20-20 – 15.9mm 58″
20-20 | 15.9 mm 58″ Diameter Countersunk Head Lockbolt Steel | Black Grip 31.75 − 38.1 mm (1.25 − 1.5) ERSCSK20-20, C50L90-BR20-20
Part Number: ERSCSK20-20
- Pin Dimensions
Grip range
'D' (min-max) Depth to pintail
61.3 - 62.3mm
'L' (min-max) Length inc. pintail
116.8 - 121.3mm
Head Marking
20-20
Min Ultimate Tensile: 121 (KN) | Clamping Load: 85 (KN) | Min Shear Strength: 100 (KN)
Max Hole Diameter: 17.5 mm | Max Pin Protrusion: 9.5 mm | Max Pin Intrusion: 1.6 mm
- Collars - (ordered separately)
Flanged Collar, Steel Material, Zinc Finish
To suit 20 series 15.9 mm dia lockbolt pins
- Tooling suitable for ERSCSK20-20
Tooling for Series 20 | 15.9mm (5/8″) – Hydraulic Tool GB3585 – Nose assembly 20-585-41
- Alternative materials, finishes and head styles to ERSCSK20-20



