产品说明

Stainless Steel Square Head Bolts

我们的 Stainless Steel Square Head Bolts are durable metric fasteners designed for machinery, equipment assembly, industrial maintenance, construction, and custom fastening applications. Compared with standard hex head bolts, square head bolts provide a larger gripping surface and are commonly used where better wrench engagement, anti-rotation performance, or traditional fastening style is required.

These bolts are made from stainless steel, commonly available in A2-70 / 304 stainless steel, offering good corrosion resistance, clean appearance, and reliable mechanical performance. The full threaded design provides strong engagement with matching nuts or threaded holes.

提供常见的公制尺寸，包括 M4, M5, M6, M8, M10, and M12, these square head bolts are suitable for both standard and customized fastening requirements.

主要特点

• Square head design for strong tool grip and stable tightening.
• 不锈钢材质 with good corrosion and rust resistance.
• A2-70 grade available, suitable for general industrial fastening.
• Fully threaded body for maximum thread engagement.
• 公制螺纹尺寸 from M4 to M12.
• Good anti-rotation performance in slots, channels, and square recesses.
• Suitable for machinery, equipment, construction, furniture, and repair work.
• 可定制长度和包装 根据客户要求。

产品规格

尺码表

单位：毫米

What Are Square Head Bolts?

Square head bolts are bolts with a four-sided head instead of a hexagonal head. The square head provides a large contact area for tools and can also help prevent rotation when installed in a matching square slot or channel.

它们常用于：

Material Advantages

Stainless steel square head bolts are suitable for applications where corrosion resistance and clean appearance are important.

For most general-purpose applications, A2-70 / 304 stainless steel square head bolts provide a good balance of corrosion resistance, durability, and cost performance.

常见应用

产品优势

这些 Stainless Steel Square Head Bolts are designed for secure and durable fastening. The square head makes the bolt easy to grip with tools and can help prevent spinning during installation in suitable applications.

The stainless steel material provides good resistance to rust and corrosion, making these bolts suitable for indoor, outdoor, and general industrial environments. With full metric threading, they can be used with matching metric nuts, washers, or threaded holes.

安装注意事项

下订单前，请确认以下详细信息：

Please use matching metric nuts and washers for correct assembly. If the bolt will be used in marine or chemical environments, 316 不锈钢 推荐。

配套产品

常问问题

Q1: What is a square head bolt?

A square head bolt is a bolt with a four-sided square head. It provides strong tool grip and can help prevent rotation when used in square slots or special fixtures.

Q2: 这些螺栓由什么材料制成？

They are made from stainless steel. Common material options include A2-70 / 304 stainless steel 和 A4 / 316 不锈钢.

Q3: What does A2-70 mean?

A2 usually refers to 304 stainless steel, and 70 refers to the strength class. A2-70 stainless steel fasteners are widely used for general corrosion-resistant applications.

Q4: 有哪些尺寸可供选择？

常见尺寸包括 M4, M5, M6, M8, M10, and M12. Other sizes can be customized according to drawings or samples.

Q5: Are these bolts fully threaded?

Yes, the product shown is a fully threaded square head bolt. Partial thread versions can also be customized if required.

Q6: 这些螺栓可以在室外使用吗？

Yes. Stainless steel square head bolts can be used outdoors. For normal outdoor use, 304 stainless steel is suitable. For marine or highly corrosive environments, 316 stainless steel is recommended.

Q7: What tools are used to install square head bolts?

They can be installed with an adjustable wrench, open-end wrench, spanner, or custom fixture that fits the square head.

Q8: Can you supply matching nuts and washers?

Yes. Matching stainless steel nuts, flat washers, spring washers, and custom fastener sets can be supplied.

Q9: 长度可以定制吗？

Yes. Length, material, thread type, surface finish, and packaging can be customized according to customer requirements.

Q10: What are square head bolts mainly used for?

They are commonly used in machinery, construction, industrial equipment, furniture assembly, agricultural machinery, repair work, and custom fastening projects.

产品简短摘要

Stainless Steel Square Head Bolts M4 M5 M6 M8 M10 M12 are corrosion-resistant metric fasteners with a four-sided square head and fully threaded body. Made from stainless steel, commonly A2-70 / 304 stainless steel, they are suitable for machinery, construction, industrial equipment, furniture, repair work, and custom fastening applications. Matching nuts, washers, customized sizes, and bulk packaging are available.