ELEMENT DATA SHEET FOR STUD BOLTS

1. Dimensions and shape

Stud bolt length:

Stud bolt length shall be according to ANSI B16.5. Stud bolts greater than 1" diameter shall be one diameter longer to allow for the use of hydraulic tensioning equipment. Bolts to have plastic end cap protection.

 Bolts:

Threading shall be in accordance with ANSI B1.1, class 2A fit for diameters 1 inch and smaller (UNC series) and 8 pitch thread series for 1 1/8 inch and larger

 Nuts:

Threading shall be in accordance with ANSI B1.1, UNC series for diameters 1 inch and smaller with a class 2B fit, and 8 UN series for diameter 1 1/8 inch and larger with a class 2B fit.

Nuts shall be American national standard heavy HEX. series, double chamfered. Dimensions shall conform to ANSI B18.2.2.

2. Surface protection

All low alloyed steel bolts, nuts and washers shall be hot dipped galvanized according to ASTM A 153.

Specified dimensions shall be met after galvanizing. The zinc coating on threads shall not be subjected to cutting, rolling or finishing tool operation.

Nuts may be tapped after galvanizing.

3. Impact testing

ASTM A 194 gr. 7 nuts shall be impact tested as for ASTM A 320 gr. L7 bolts.

4. Certification requirements