Cross recessed pan head drilling screws with tapping screw thread.Stainess iron 410.

1.Material:Stainess steel,iron,spring steel.

2.Size and finishing:OEM as per sample or drawing.

3.Usage:Mainly used in steel structure of caigang watts fixed can also be used for simple construction of the thin plate fixed on.Building construction material,wall material.decoration material.

Specification:

1. Carbon steel drlling screw, 1022a, standard heat treatment of steel can be used as the drlling screw production material, heat treatment after surface hardness HV560-750, the core hardness HV240-450. The general surface treatment is easy to rust, high hardness, low cost.

2. Stainless iron 410 drlling screw, heat treatment, rust resistance is better than carbon steel. Worse than stainless steel.

3. Drlling screw, stainless steel 304, do not do heat treatment, antirust capability, low hardness, high cost, can only drill aluminum plate, board, plastic board.

Winal is a professional OEM manufacture who produce different kinds of high quality CNC metal parts,

such as screw(bolt),spring and stamping parts for Electronic Equipments, toys,recorder,watch,camera,

machine,gifts as well as plastic extrusion,such as edge banding,round tube,round bar and all kinds of

 decoration edges made from material POM，PVC，PE，PA，PP，TPE，ABS,PP,AS,PMMA,PC etc.

Winal is a one stop professional manufacturer,who have advance production equipment and quality control to design,develop,production,sale and service for customer.

we provide all kinds of metal and plastic parts per your requirements with economical cost, fast

delivery, and good service.

Our aim is to establish a win win business relationship with our customers and provide highquality 

products with a reasonable price and short delivery time to our customer.