... /Cross3. Washer type:with single flat washer,spring washer,cone washer,square washer,tooth washer With double washer,flat and ... split washer with three washer4. Material of Combination Screw:Carbon steel, Alloy steel, stainless steel or according require5. ... Galv), Nickel, phosphate black, 3Cr zinc,Passivation8. Packing of Combination Screw:General packing: 15-20Kg per Carbon or Bag, approx 36 ...