Grade 8.8 Oval Neck Track Bolt Rail Fish Bolt

Model NO.:M16-M22 *145-200

Sizes：M1.6,M2,M2.5,M3,M3.5,M4,M5,M6,M8,M10-M20

Grade：4.8,5.6,8.8.10.9,12.9

Application：Railway, Engineering, Bridge Construction, Buildin

Heat Treatment：Tempering,Hardening,Stress Relieving,etc.

Surface：Bronze,Zinc,Rainbow,Plain,Nickle,Passivated,Electr

Other Name：Sleeper Screw, Rail Screw or Lag Bolt,

Standard：GB/T 1346,GB,JIS,ANSI,DIN,BS

Material：Q235,10b21,Stainless Steel

Transport Package：Wooden Box/Pallet

Specification：Rail Screw Spike for Wooden or according to customer's request

Rail screw spike, also called sleeper screw, rail screw or lag bolt, is a medium or large metal screw used to fasten a rail tie plates or rail. Rail screw spike is usually made of Q235 steel.