VTBQS – Cap head screw with square neck

VTBQS – Cap head screw with square neck

Description Cap Head Screw Square Neck (Stainless Steel 304)
Code Size Standard
VTBQS – 8×20 M 8 x 20 Din 603
VTBQS – 8×30 M 8 x 30 Din 603

PROPERTIES OF GAMMA ALUMINIUM PROFILE MATERIALS

Material type EN AW 6060
Tensile strength Rm (Mpa) 190
Elastic limit Rp 0.2 (Mpa) 150
Elongation at 50 mm (%) 10
HB hardness 70
Coefficient of linear thermal expansion between 20 oC and 100 oC (1/ oK) 23×10-6
Preparation for surface oxidation treatment Excellent

PROPERTIES OF SUPPORT MATERIALS

Material type AISI 304
Shape Cold-rolled
Finish Heat treatment, pickled and skin-passed
Density kg/dm3 7,9
Tensile strength N/mm2 540 – 750
Elongation at 80mm (%) 45
HRB hardness 82
Material type  AISI 430
Shape Cold-rolled
Finish Heat treatment, pickled and skin-passed
Density kg/dm3 7,7
Tensile strength N/mm2 450 – 600
Elongation at 80mm (%) 20
HRB hardness 85