High Strength Structural Bolting Assemblies

DIN 6914,EN 14399,EN 15048.

High strength bolts or structural bolts are made to be used with heavy hex nuts to connect structural members. To be considered a structural connection, it has to conform to specific ASTM standards; specifically, ASTM A563 or ASTM A194.

Technical Specification
Size:
M12-M36 1/2″-1-1/2″
Grade:
8.8, 10.9, ASTMA325, A325M, A490, A490M
Materials:
Carbon Steel, Alloy Steel, MS, Copper, Brass & Stainless Steel (SS 304,SS 302, SS 316)
Finish:
White Zinc Plated, Yellow Zinc Plated, Auto Black Plated, Chrome Plated & other as per customer requirement
High Strength Structural Bolting Assemblies
Nominal size
(nominal thread diameter of associated bolt)
12 16 20 22 24 27 30 36
1 min 13 17 21 23 25 28 31 37
max 13.27 17.27 21.33 23.33 25.33 28.52 31.62 37.62
d2 min 23.48 29.48 36.38 38.38 43.38 49.0 54.80 64.80
max 24 30 37 39 44 50 56 66
h nom 3 4 4 4 4 5 5 6
min 2.7 3.7 3.7 3.7 3.7 4.4 4.4 5.4
max 3.3 4.3 4.3 4.3 4.3 5.6 5.6 6.6
e nom=min 0.5 0.75 0.75 0.75 0.75 1 1 1.25
max 1 1.5 1.5 1.5 1.5 2.0 2.0 2.5
c min 1.6 1.6 2.0 2.0 2.0 2.5 2.5 2.5
max 1.9 1.9 2.5 2.5 2.5 3.0 3.0 3.0