The screw spikes of our company are inspected by BV, ISO, SGS a lot of times and have been recognized by all of our customers all over the world. Our company can produce many kinds of screw spikes, including square head sleeper screw spike, hexagon screw spike, screw head coach screw, drive spike, double head screw spike, dog spike, double ear spike and rail spike etc. With high standard. Besides, we have excellent R&D department, willing to develop all kinds of non-standard fasteners with all of our customers.
Screw spike/Sleeper screw/ Coach screw/ Drive screw/ Timber screw Standard: ASTM, BS, GB and or according to customers' specifications.
Model: Ss5. Ss8. Ss25. Ss36. Raw material: Q235, 35#, 45#, 40Mn2, 20Mnsi Dia.: From M16 to M60Grade: 4.6/5.6/8.8 Finish: Plain, zinc plated, hot DIP galvanized, Dacromet, etc. Always assembly with double spring washer Fe6 or flat washer Uls7 and screw inserts.