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Hexagon socket head shoulder screw UNC ASME B18.3 Steel Plain 012.9 (1/4)5/16X2.1/2

Article number
Length
Class 012.9
Driving features Hexagon socket
Head shape Cylindrical head
Material Steel
Thread direction Right
Surface treatment Plain
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Specifications

Length 2.1/2 Inch
Class 012.9
Driving features Hexagon socket
Head shape Cylindrical head
Material Steel
Thread direction Right
Surface treatment Plain
Thread Unified National Coarse
Info
  • Warning: electroplating of these products may cause hydrogen embrittlement.
    • All dimensions in above table are in inches.
    • Marking of these screws is not mandatory.
    • Due to the unfavourable head geometry these fasteners have reduced loadability.
    • Attention: As the thread tolerance class for these screws is 3A, plating can cause thread fit problems.

Dimensions

A (max.) 0.438
D 0.3125
D1 0.25
E 0.438
H (max.) 0.219
J 0.15625
Threads per inch 20
D (min.) 0.3085
D (max.) 0.3105

Standards

ASME B18.3
BS 2470

Article numbers

Article number 07116.063.063
EAN 8715492066602
UBB 953351304563
UNSPSC 31161605

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