Manual indexing button, smooth body, no flange - Manual indexing plunger, smooth body, no flange - Smooth body for welding - Two versions available. - Material Body: Stainless steel 303 Pin: Hardened stainless steel 420 Head: Dark grey thermosetting plastic Info - Indexing bolts are used where lateral movement is required to be blocked. Pulling the handle releases the pin. With the M version, the pin can be held in the retained position. - Bolts should be welded using a WIG inert gas process