W2: BOLT AND NUT WITH ZINC PLATED STEEL, THE REST WITH STAINLESS STEEL 300.
W4: ALL STAINLESS STEEL 300.
* Wrest resistant and high crushing strength.
* Corrosion resistant ,and protects the rubber surface is not damaged.
* Low free torque, high breaking torque.
If you're looking for the t-bolt hose clamps w2 or w4, welcome to wholesale the product from our factory. As one of the leading manufacturers and suppliers in China, we will offer you the best service and fast delivery. Now, check the quotation with our seller.