Roof Mounting Hanger Bolts Components , Solar Panel Roof Hanger Bolts Product Description : Our solar hanger bolts are a SUS304 fasten parts to fixed rails and roofing mountings . Two length 200mm and 250mm options can be suitable for adjust distance between brackets / L foot rails and metal roofing . Our whole hanger bolt lits includes : stainless steel bolt , nuts, EPDM rubber and fasten L foot / small stainless plate … This solar hanger bolts are designed for trapezoidal / zinc / corrugated / sandwich metal roof profiles . Our hanger bolts can be pre-assembled with listed parts which consist of : one hanger bolts, 3 collar nuts with riffle, 1 washer, 1 SUS 304 plate with long slot , EPDM nodes . This solar roof fasten bolts can be well used with adapter plates, L-feet for solar mounting and racking systems . Our EPDM plasic grommet are good performance in bad weather as roof seal, 12 years warranty offer . Features of our PV module hanger bolts: – 7 3/4″ and 9 3/4″ length for choosing ; – Good load bearing capacity ; – Quick mounted installation hardware, fast fit system ; – Precise adjust deepth and height for metal roofs ; – Well span gap controlled by our longer hanger bolt for roof structure ; – Includes bolt, rubber pad, flange nuts, support plate ; – Application: metal roofing , trapezoidal roofs, corrugated metal sheet roofing, sandwich fiber roof, tin roofs Installation Guide : Components includes for roof fastening with our hanger bolt kits, double hanger bolts, L bracket, mounting rails, mid / end clamps . (1) Pre-drilled hole on metal roofing profile and wood rafter ; (2) Screw in hanger bolts , the EPDM seal should slightly compressed roof surface ; (3) Adjust adapter plate to proper height, then fasten locking nuts well ; (4) Mounting aluminum rails and rail splice ; (5) Mounting mid / end clamps . Website : Stay tuned Cheers