Ss Type Sleeper Screws in stock Screw spike,sleeper screw,� rail screw, lag bolt, is a medium or large metal screw Products Details A rail screw spike, also called sleeper screw, rail screw or lag bolt, is a medium or large metal screw used to fasten a rail base plate or rail. Such spikes are always fastened into holes bored into the tie sleeper, sometimes together with imbedded plastic dowels, popularly used for rails with wooden sleepers, especially in America and Canada.� Available Material� 1. Stainless Steel: SS2, SS303, SS304, SS316, SS410, SS420 2. Steel: C45(K1045), C46(K1046), C20,etc. 3. Brass: C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200CuZn37), C28000(CuZn40),etc. 4. Bronze: C51000, C52100, C54400, etc. 5. Iron: 1213, 12L14, 1215, etc. 6. Aluminum: Al6061, Al6063, etc. 7. Carbon steel: C1006,C1010,C1018,C1022,C1035K,C1045,12L14,etc. 8. Alloy steel: SCM435,10B21, C10B33,etc. Material Class 4.8 6.0 8.8 12.9 Specification Various head style and sizes per your request Surface Finishing Zn-Plated, Ni-plated, Tin-plated, Passivated, Sandblast and Anodize; Chromate, Polish, Electro Painting, Black Anodize, Plain, Chrome plated; Hot Deep Galvanize(H.D.G.) etc. Heat Treatment Tempering, Hardening, Spheroidizing, Stress Relieving. Standard ISO, DIN, GB, IFI, B.S. ART. Sample We could make sample Lead time Per on furniture hardware order quantity Packing Boxs or pallet or according to customerâ??s request Payment terms L/C,T/T Firstly, we ensuring product quality. second, we ensuring timely delivery. And we ensuring a lower price. We can save your cost and time.