Browse Standards USCAR8-4
Current REVISED 2019-03-14

Grain Flow Pattern for Bolts and Screws USCAR8-4

This specification covers the grain flow pattern requirements in headed bolts, screws, and studs. The heading practice in the manufacture of the bolt, screw, or stud sets the grain flow pattern, but it is also greatly influenced by the fastener design.
USCAR8-4
2019-03-14
Latest
Revised
USCAR8-3
2013-12-31
Historical
Revised
USCAR8-2
2007-03-13
Historical
Issued
USCAR8-1
2004-05-14
Historical
Issued
USCAR8
1998-12-30
Historical
Issued

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STANDARD

Grain Flow Pattern for Bolts, Screws, and Studs

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STANDARD

TS109 Manufacturing Specification for Studs, Bolts and Screws in BS HR650, EN2398, EN2399 and EN3639 Material 900 MPa (130,000 lbf/in² ) Tensile at Room Temperature (for which Forging is Optional and Qualification not a Requirement)

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STANDARD

TS148 Manufacturing Specification for Studs, Bolts and Screws in DTD5638, EN2952, EN2961 and EN3219 Material, 1275 MPa (185,000 lbf/in²) Tensile at Room Temperature (for which Forging is Optional and Qualification not a Requirement)

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