Screw

Application: Structural Steel; Metal Buliding; Oil&Gas; Tower&Pole; Wind Energy; Mechanical Machine; Automobile: Home Decorating
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Wood Screw
Standard: ASME B18.6.1 DIN571,DIN95,DIN96,DIN97,DIN7997
Size: #4-#14 / 2.5-6.3mm
Length: 10-180 mm
Material: Low carbon steel, SS304, SS316, Brass
Head type: hex , flat CSK, raised CSK, pan, round, Oval ,etc
Drive type: Phil, slotted, torx, etc
Finish: zinc plated(clear/bule/yellow), black/grey phosphate

The Phillips pan head screws are specifically designed for use in wood, plasterboard, sheet metal and concrete. It is easier to unload than other fastener screws, a simple special tool can be loosened, and the screws can be reused because they are rarely bent during removal and they can even be inserted into the same hole for use.

Product name: Hexagon Socket Countersunk Head Screws
Standard:ASME/ANSI B18.6 , JIS B 1194,D7991
Size:#5 - 3/4"; M3 – M20
Material:Carbon Steel, Alloy Steel, Stainless Steel,
Length: 10-180mm (3/8”- 7”)
Head type: flat / countersunk head
Drive type: hex socket
Finish: Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G

Product name: Slotted Countersunk Head Screws
Standard:ASME/ANSI B18.6 ,DIN963, JIS B 1101
Size:#5 - 3/4"; M3 – M20
Material:Carbon Steel, Alloy Steel, Stainless Steel,
Length:10-180mm (3/8”- 7”)
Head type:flat
Drive type:slotted
Finish:Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G

The Phillips pan head drilling screw is used for non-metal or soft metal without the need for low hole and tapping; the self-drilling screw is pointed so that it can be "self-drilling"; the hole drilled is a hole that does not require tapping. The screws used are different from the general ones. The heads are pointed and the thread are relatively large. They are similar to the chipless tapping. They can be screwed directly without tapping. Metal and plastic usually use this method. The main function of the self-tapping screws is that they do not need to be used with the nuts. In terms of cost, a large number of them are saved. There is no need to cost the nut.

The hexagon head tapping screws have high anti-loose ability in combination and can be loaded and unloaded. In the small screw, its size, thread type, head type, tapping performance, high tensile force for engineering purposes, single piece, single side combination features are limitless. Hexagon head self-tapping material can be divided into carbon steel and stainless steel, among which carbon steel material is mainly C1018 medium carbon steel.

The hex head self-tapping screws have a dense thread on the periphery, which not only helps to prevent slack, but also can be loaded and unloaded.

The round head self-tapping screws are made of carbon steel, with high surface hardness and good core toughness. This is a major feature of the performance requirements of the self-tapping screws of the round head, and the surface has been treated with electroplating protection to effectively guarantee its quality. Process production, high thread quality.

Standard:ASME/ANSI B18.6, JIS B 1119 , DIN84, ISO1207,
Size:#5 - 3/4"; M3 – M20
Material:Carbon Steel, Alloy Steel, Stainless Steel,
Length:10-180mm (3/8”- 7”)
Drive type: slotted
Finish:Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G