Find Machine Bolt, Big Head Bolt, Fastener Bolt on Industry Directory, Reliable Manufacturer/Supplier/Factory from China.

Home > Products > Stud Bolt > Double Threaded Torx Head Screw

Double Threaded Torx Head Screw

Productivity: 
200 Tons/Month
Place of Origin: 
Zhejiang China
Supply Ability: 
200 Tons/Month

Basic Info

Model No.:  8*20mm

Product Description

Model NO.: 8*20mm Specifications: 6.3*50mm Drive Type: Socket Surface: Galvanizing Type: Hexagon Head with Flange Connection: Tapping Screws Trademark: TS Origin: Zhejiang China Material: High Strength Steel Head Type: Hex Head Steel: C1022 Screw Type: Tapping Screw Head Style: Hexagonal Grade: 8.8 Specification: DIN HS Code: 731814 Double Threaded Torx Head Screws
Zinc, Nickle Galvanizing or Silver coated, Ruspert finishing.
Or Zinc Galvanizing, Black and Grey Phosphated options
Material: C1022, steel, hardned
More screws information, kindly visit our online catalogue
Selfdrillingscrews. Cn

Head Style: Pan head, Pan Framing Head
Drive Style: Philips, Slotted, Torx, Square
Standard: ANSI/ASME/JIS/BS/DIN6928, DIN7981, DIN7982
Diameter: 3.5mm, 3.9mm
Length: 9.5mm, 11mm
Inch Specifications: #6, #7
Screw length: 3/8 and 7/16 inch


Introduction of various self tapping screws
Head Type: Pan head, Pan Framing Head, Hex Head, CSK Head
Hex socket head, hex flange head, cheese head, round head, flat head
Drive Style: Philips, Slotted, Torx, Square, Cross, Socket
Standard: ANSI/ASME/JIS/BS/DIN6928, DIN7981, DIN7982/7983
Diameter: 2.5mm up to 8mm
Length: 8mm up to 300mm
Inch Specifications: #6, #7 up to 5/16 inch
Screw length: 3/8 up to 6 inch


Self tapping screws can drive its own way on the target object so that there is no need to pre-drill any holes. Generally for wood, plastic, plaster and other soft material, using a self tapping screws with a sharp point, while for hard material, like steels and sheet metals, always using a drilling head self tapping screws.


Transhow Fasteners produce and export a wide selection of drywall screws, drywall tek screws, Chipboard screws, wood screws and various gypsum screws, woodwork self tapping screws, self drilling screws. Pan head tapping and drilling screws, counter sunk head, flat head, hex head, hex washer head, hex Socket head, pan framing head, buggle head, modified truss head and more tapping screws for wood or metal works. Materials used for manufacturing tapping screws are usually C1022 low carbon steel, Stainless Steel AISI304, AISI302, AISI201, AISI410 and for more options please contact us directly


Transhow Fasteners produce and export a wide selection of drywall screws, drywall tek screws, Chipboard screws, wood screws and various gypsum screws, woodwork self tapping screws, self drilling screws. Pan head tapping and drilling screws, counter sunk head, flat head, hex head, hex washer head, hex Socket head, pan framing head, buggle head, modified truss head and more tapping screws for wood or metal works. Materials used for manufacturing tapping screws are usually C1022 low carbon steel, Stainless Steel AISI304, AISI302, AISI201, AISI410 and for more options please contact us directly
Size Pack Price WT
4.8*19 1,000 .11 3.79
4.8*25 1,000 .47 4.30
4.8*29 1,000 .04 4.89
4.8*35 1,000 .13 5.30
4.8*38 1,000 .40 5.40
4.8*50 500 .09 6.41
5.5*19 1,000 .11 5.29
5.5*25 500 .87 5.95
5.5*32 500 .89 6.71
5.5*38 500 .63 7.36
5.5*51 200 .12 8.67
5.5*63 200 .88 10.08

Contact us if you need more details on Torx Head Screw. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Double Thread Screw、Flange Flange Screw. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Stud Bolt