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

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Standards

BS	2470
ASME	B18.3

Article numbers

Article number	07116.063.063
EAN	8715492066602
UBB	953351304563
UNSPSC	31161605

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