Description:
1. Material: Square head bolts are made of carbon steel, which is durable, has fine workmanship, high strength, corrosion resistance, wear resistance, good impact resistance, not easy to damage, and long service life.
2. Design: These bolts have a square head, which can provide better torque transmission and more stable performance. Its thread is very smooth and precise, the force is evenly distributed, there is no offset, and it is not easy to slip. The half-tooth design effectively prevents the bolt from loosening on its own, ensuring a firm connection and improving the tensile strength of the connection.
3. Easy To Use: It is simple to install and can be installed and tightened with a wrench or pliers. Disassembly is also relatively easy, and suitable for occasions that require frequent maintenance or replacement.
4. Wide Application: The square machine screws are essential for assembling machines, equipment and tools to maintain their structural integrity. It is widely used in mechanical equipment, building structures, and automobile manufacturing, such as assembly and fixation of guardrails, home appliances, pipeline installation, equipment, steel frame houses, etc.

Specification:
Material: Carbon Steel
Surface: Black Oxide
Color: Black
Thread Size: 3/4-10x3"(D*L)
Head Size: 28.5mm x 12.7mm / 1.12" x 0.5" (W*T)
Package Content: 2Pcs x Square Head Bolts

1. Measure the T-slot size of the work surface (D, T, Dk)
2. Check the screw head size based on the known T-slot data and select the corresponding screw size

Size correspondence
Screw head width-Dk
Screw head thickness-T
Screw dia-D