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Screws and Bolts, Weld Screws&Blots

Carbon Steel Small square head bolts

Material: Stainless steel, Carbon steel, Brass

GB /T 8 - 2021 &GB /T 35 - 2013&ANSI/ASME B 18.2.1 &Q 194B

Made from Grade 5 steel, these screws are suitable for fastening most machinery and equipment. Large flat sides make them easy to grip with a wrench and keep them from rotating in square holes. A zinc yellow-chromate plating provides corrosion resistance in wet environments. Grade 5 steel square head screws are marked with three radial lines. Material meets SAE J429 specifications for quality. Dimensions meet ASME B18.2.1 specifications. Length is measured from under the head.

Medium-Strength SAE Grade 5 Steel Square Head Screws

Made from Grade 5 steel, these screws are suitable for fastening most machinery and equipment. Large flat sides make them easy to grip with a wrench and keep them from rotating in square holes. A zinc yellow-chromate plating provides corrosion resistance in wet environments. Grade 5 steel square head screws are marked with three radial lines. The material meets SAE J429 specifications for quality. Dimensions meet ASME B18.2.1 specifications. Length is measured from under the head.


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Product Specification

Name: Steel Square-Head Cup-Point Set Screws&18-8 Stainless Steel Square-Head Cup-Point Set Screws&Alloy Steel Square-Head Cup-Point Set Screws

Material: Stainless steel, Carbon steel 

1. Use these set screws for light-duty holding. A square head allows them to be turned by hand, or fastened with a wrench when you need more torque. The cup point has a thin edge that digs into the contact surface for a secure hold. Length is measured from under the head.

2. Made from 18-8 stainless steel, these set screws are chemical resistant and may be mildly magnetic. Use the square head to turn them by hand, or use a wrench when you need more torque. The cup point has a thin edge that digs into the contact surface for a secure hold. Length is measured from under the head.

3. Made from alloy steel, these set screws have a thin edge that digs into hard surfaces for a secure hold. Use the square head to turn them by hand, or use a wrench when you need more torque. Length is measured from under the head.


Size Can also be According to the Customer's requirement for manufacturing, please check the detailed specification sheet details PDF, CAD, 151-152 Page See more product details.

Product Packaging

Packaging: The inner packaging is a plastic bag, and the outer packaging is a carton. Then the tray. Carton size: 29*19*19.5cm and 23.5*17.5*8, cm and pallet size: 215*100*90cm, or as your request.

Product Pictures

Carbon Steel Square Bolts

Carbon Steel Square Bolts

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