1) Size from 1/4" to 1", length from 1/2" to 3";
2) Grade 2, for carbon steel; Stainless steel A2-70, A4-80(304, 316), brass are available;
3) Surface treatment including: Plain, zinc plated, nickel plated, H. D. G., black, dacromet, mechanical zinc plated
4) Packing: Bulk packing 20kgs/carton, 36 cartons/palelt; Or small box packing under your requirements
5) Head mark: Our factory's head mark or your head marks
ISO, JIB, BS standard are also available.







