Thread data BSW, BSF, BSP 55°; BA Tread Form - Angle of thread = 47. 5 degrees, rounded at top and bottom BA
![Whitworth BSW Thread High Tensile Socket Grub Screws 3/16" 1/4" 5/16" 3/8" | eBay Whitworth BSW Thread High Tensile Socket Grub Screws 3/16" 1/4" 5/16" 3/8" | eBay](https://i.ebayimg.com/images/g/2ZcAAOSwrQFhEkcK/s-l1600.jpg)
Whitworth BSW Thread High Tensile Socket Grub Screws 3/16" 1/4" 5/16" 3/8" | eBay
Thread data BSW, BSF, BSP 55°; BA Tread Form - Angle of thread = 47. 5 degrees, rounded at top and bottom BA
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