1/2-13 UNC X 1.1/4 inch Socket Countersunk Screws (DIN 7991) - High Tensile Steel (10.9) Description
The 1/2-13 UNC X 1.1/4 inch Socket Countersunk Screws (DIN 7991) - High Tensile Steel (10.9) has the following features:
1/2-13 Thread Size (T)
5/16 inch Hexagon A/F (A)
0.172 inch Hexagon Depth (P)
DIN 7991 Manufacturing Standard
1.1/4 inch Overall Length (L)
High Tensile Steel (10.9) Material
High Tensile Steel (10.9) Material Specification
13 TPI Screw Thread Pitch
82 +/- 2 Degrees Countersunk Angle
+/- 0.13mm General Tolerance
Imperial Metric or Imperial?
0.938 inch Head Diameter [max] (D)
0.251 inch Countersunk Length (H)
0.872 inch Head Diameter [min] (D)
Discover more about the Imperial Socket Countersunk Screws range
Imperial Socket Countersunk Screws are designed for use alongside countersunk holes. The addition of a standard socket drive means that this type of screw can be installed using an Allen Key or Hexagon Drive Bit.
Socket Countersunk Screws are manufactured in imperial thread sizes ranging from No. 0 up to 7/8 inch. lengths are available from 1/8 inch to 10 inch.