PROTON FASTENERS
We are a leading company in the supplier of fasteners. Located in Barcelona, our customers are in Europe, US and Latin America. Our suppliers are European and Chinese approved (ISO 9001: 2015). We also have an office in China where we import. Our markets cover a wide variety of industries.
POL.IND.LAS SALINAS,
AVDA. GARRAF 3-B N.12,
Cubelles,
Spain
Tel:
935396579
Products
Bolts
Hexagon head bolts
Hexagon head bolts with hexagon nut for steel structures (DIN: 7990)Hexagon head bolts with shank - metric fine pitch thread (DIN: 960/ISO: 8765)Hexagon head bolts with shank (DIN: 931/ISO: 4014)Hexagon head screw with full metric fine pitch thread (DIN: 961/ISO: 8676)Hexagon head screws with full thread (DIN: 933/ISO: 4017)Other bolt types
Eyebolts (DIN: 444)Flat countersunk head nib bolts (DIN: 604)Flat countersunk head square neck bolts with short square (DIN: 608)Hexagon fit bolt with long thread (DIN: 609)T-head bolt with square neck (DIN: 186)Fastener assemblies and combinations
High strength structural bolt and nut assembly (DIN: 6914/ISO: EN 14399-4)Structural assembly set (ISO: EN 15048)Nuts
Cap nuts
Hexagon dome cap nuts, high type (DIN: 1587)Hexagon castle nuts
Hexagon slotted and castle nuts (DIN: 935)Hexagon regular nuts
Hexagon nuts with metric coarse pitch thread (DIN: 934/ISO: 4032)Hexagon nuts with metric fine pitch thread (DIN: 934/ISO: 8673)
Hexagon thin nuts
Hexagon thin nuts (chamfered) - with metric fine pitch thread (DIN: 936/ISO: 8675)Hexagon thin nuts (unchamfered) (DIN: 439/ISO: 4036)Prevailing torque type hexagon nuts
Prevailing torque type hexagon thin nuts with non-metallic insert (DIN: 985/ISO: 10511)Socket head products
Screws with normal cylindrical head
Hexagon socket head cap screws (DIN: 912/ISO: 4762)Hexagon socket head cap screws with metric fine pitch thread (DIN: 912/ISO: 12474)Small hexagon or hexalobular screws
Hexagon socket button head screws (ISO: 7380)Hexagon socket button head screws with collar (ISO: 7380)Hexagon socket countersunk head screws (DIN: 7991/ISO: 10642)Hexagon socket head cap screws with low head (DIN: 7984)Springs
Disc springs (DIN: 2093)Studs and threaded rod
Studs
Studs - metal end ˜ 1 d (DIN: 938)Studs - metal end ˜ 1.25 d (DIN: 939)Threaded rod
Stud bolts metric thread (DIN: 976-1)Threaded rod (DIN: DIN 976-1)Washers and pressed parts
Spring washers, conical spring washers and serrated lock washers
Conical spring washers for bolted connections (DIN: 6796)Curved spring washer (DIN: 137)External tooth lock washer (DIN: 6797)Retaining washer for shafts (DIN: 6799)Serrated lock washers (DIN: 6798)Spring lock washers, barbed or plain (DIN: 127)Washers
Plain washer - 100 HV (DIN: 126/ISO: 7091)Plain washer - from 300 HV - Product grade A (DIN: 125 Part 2/ISO: 7089 and 7090)Plain washer - up to 250 HV - Product grade A (DIN: 125 Part 1/ISO: 7089 and 7090)Plain washer for clevis pins, medium finish (DIN: 1440/ISO: 8738)Plain washer- Small series - Product grade A (DIN: 433/ISO: 7092)Plain washers - Large series - Product grade A (DIN: 9021/ISO: 7093 - Part 1)Washers for clamping devices (DIN: 6340)Washers for steel structures - Product grade A (DIN: 7989-2)Washers for steel structures - Product grade C (DIN: 7989-1)
