Structural Assemblies

PRODUCT	SIZE	PROPERTY CLASS	STANDARD
System HR Structural Bolt	M12 to M36	8.8 / 10.9	BS EN 14399-3
System HR Pre-Load Nut	M12 to M36	8 / 10	BS EN 14399-3
Plain Chamfered Washer	M12 to M36	HV 300 to 370	BS EN 14399-6
System HV Structural Bolt	M12 to M36	10.9	BS EN 14399-4
System HV Pre-Load Nut	M12 to M36	10	BS EN 14399-4
Tension Control Structural Bolt	M12 to M30	10.9	BS EN 14399-10
Pre-Load Nut	M12 to M30	10	BS EN 14399-10 (h=d)
Non Pre-Load Structural Bolt	M12 to M36	4.6,5.6,6.8,8.8,10.9	BS EN 15048-1, 2
Non Pre-Load Structural Nut	M12 to M36	4,5,6,8,10,12	BS EN 15048-1, 2
High – Strength Structural Bolt	M12 to M36	8.8	AS1252 – 1983 Dimensional AS1252 – 1996 Mechanical
Structural Nut	M12 to M36	8	AS1252 – 1983 Dimensional AS1252 – 1996 Mechanical
Structural Washer	M12 to M36	35-45 HRC	AS1252 – 1983 Dimensional AS1252 – 1996 Mechanical
Heavy Hex Structural Bolt	M16 to M36	10.9S	IS 3757
Heavy Hex Nut	M16 to M36	10S / 8S	IS 6623
Structural Washer	M16 to M36	35 – 45 HRC (Plain) 26 – 45 HRC min (HDG)	IS 6649

PRODUCT	SIZE	TENSILE STRENGTH	STANDARD
Heavy Hex Structural Bolt	1/2 to 1 1/4	120,000 psi(1/2 to 1 dia) 105,000 psi (1 1/8 to 1 1/2 dia)	ASTM A325
Heavy Hex Structural Bolt	1/2 to 1 1/4	150,000 – 173,000 psi	ASTM A490
Heavy Hex Nuts Grade DH	1/4 to 2	C24 – C38	ASTM A563
Heavy Hex Nut Grade 2H	1/4 to 2	24 – 35 HRC	ASTM A194 2H
Hardened Washer	1/4 to 1 3/8	38 – 45 HRC (Coated) 26-45 HRC (HDG)	ASTM F436
Tension Control Structural Bolt	5/8 to 1 1/8	120,000 psi (1/2 to 1 dia) 105,000 psi (1 1/8 to 1 1/2 dia)	ASTM F1852
Tension Control Structural Bolt	1/2 to 1 1/8	150,000 – 173,000 psi	ASTM F2280