https://www.fastenright.com Socket Shear Bolts. 360 degree rotation of this premium security bolt.
Socket shear bolts are available in stainless steel in M8, with lengths up to and including 50mm available from stock.
Ideal for securing solar panels, they are fastened using an Allen key or screwdriver. When the breaking torque is achieved, the socket portion of the bolt snaps off leaving a plane head that cannot be removed.
For more information on this security fixing, please see our product page – www.fastenright.com/socket-shear-bolts
PSG 612 now available: https://goo.gl/dDMYNQ
This video shows a basic technique for squaring 6 sides on a steel block using the Tormach PSG 612 semi-automatic surface grinder. Block is hardened to 52HRc.
Click the link above for more information!