Winal plastic and metal manufacturing Ltd
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Steel 1022A pan head decoration cross recessed drilling screws with tapping screw thread.
1.Material:Steel 1022A,stainless iron 410, stainless steel 304
2.Size and finishing:OEM as per sample or drawing.
3.Application: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, 1022 a, 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 drlling screw, 410, 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.