Black Nickel Allen Head Bolt Grade 8.8
Hex Drive Shoulder Bolts Factory
A bolt is a form of threaded fastener with an external male thread, that is usually used with a nut for connecting two or more parts. We can manufacture many custom bolts to your specification, the types of bolts we produce are include carriage bolts, countersunk bolts, hex flange bolt, square head bolts, shoulder bolts, step bolt, and more.
Bolts are among the most versatile and widely used fasteners in various application. From construction project, auto industry and construction machinery to everyday items like furniture, air conditioner, door and windows – bolts can be found at work in almost all industries.

Allen Head Bolt
EXAMPLES & SPECS

| Items | Description |
|---|---|
| Thread Size | M1.5-M12 |
| Length | 2mm-100mm |
| Head Design | Pan Head, Round Head, Flat Head, Button Head |
| Driver Type | Hex |
| Thread Style | Partial Thread, Fully Thread |
| Material | Steel, Carbon Steel, Alloy Steel,Stainless Steel |
| Surface Treatment | Blue Zinc, Black Zinc, Passivation, Dacromet Coating |
| Production Process | Cold Heading Forming |
| Grade | Grade 4.8, Grade 6.8, Grade 8.8, Grade 12.8 |
| Standard | Non-standard, Custom Size |
| Application | Automotive, Heavy Equipment |
About King Tower


King Tower Cold Heading Forming Workshops
QUALITY FASTENERS FOR ANY PROJECT
At King Tower, we specialize in producing high-quality fasteners to meet our customers’ unique requirements or drawings. Our experienced team is dedicated to providing one-stop custom services, ensuring that your project is completed efficiently and to the highest standards. From design to production, we work closely with our clients to ensure that every aspect of their needs are met. Contact us today to learn more about how we can bring your fastener ideas to your industrial need.
| Product | Phillips Sems Screw |
|---|---|
| Material | Carbon Steel, Stainless Steel |
| Finish | Galvanized, Passivated/Clean |
| Grade | 4.8/6.8/8.8/12.8 |
| Certificate | ISO9001:2015 |




