Hillman M12-1.75 mm D X 30 mm L Heat Treated Steel Hex Head Cap Screw 30 pk is built for reliability when you need a strong, ready-to-use fastening solution. This boxed 30-pack fits seamlessly into your project workflow, ensuring you have consistent, high-strength hardware on hand for metal-to-metal assemblies, equipment mounting, and structural framing.
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Strength you can trust: Made from heat-treated steel and graded to 8.8, these hex head cap screws are designed to resist shear and provide dependable performance in demanding applications.
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Precise metric sizing: M12 coarse thread with a 1.75 mm pitch delivers smooth, quick threading and broad compatibility with standard nuts and washers in metric systems.
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Appropriate length and drive: 30 mm overall length with a hex head that accepts common wrenches or sockets for solid torque and a secure fit in tight spaces.
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Ready-to-use packaging: Boxed 30-pack keeps your project organized and minimizes downtime from missing fasteners.
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Designed for versatility: Ideal for automotive frames, machinery assemblies, equipment mounting, and other metal-to-metal connections where a strong, consistent bolt is required.
Why heat-treated Grade 8.8 steel matters
Heat-treated steel in Grade 8.8 offers enhanced hardness and strength compared with standard carbon bolts, improving resistance to thread deformation under high torque and providing reliable clamping in vibration-prone environments. This makes the Hillman M12-1.75 mm fasteners well-suited for assemblies that demand longevity and consistent performance across multiple cycles of use.
Ideal use cases
- Fabrication of machinery frames, brackets, and enclosures where a robust fastener is essential.
- Automotive or trailer assemblies that require reliable, metric-cap screw connections.
- Industrial equipment mounting, equipment stands, and metal-to-metal joints.
- Replacement hardware kits for maintenance and repair projects that rely on standardized M12 bolts.
Installation tips and best practices
- Pair with matching Grade 8.8 nuts and, when needed, washers to distribute load and protect mating surfaces.
- Use a hex wrench or socket of the appropriate size to achieve the recommended torque without over-tightening.
- Check alignment before tightening to prevent cross-threading and ensure a secure, even clamp across the joint.
- Store and organize these bolts in their boxed packaging to keep a consistent supply for future projects.
How this product stands apart
- Unlike generic bolts, these Hillman hex head cap screws leverage heat-treated steel and Grade 8.8 strength, delivering more robust performance in demanding mechanical assemblies.
- The 30-pack boxed format provides immediate availability and streamlined inventory management for workshops and job sites.
- Metric M12-1.75 with a 30 mm length covers a broad range of common metal thicknesses and frame constructions, reducing the need for multiple bolt sizes on a project.
Ready to strengthen your next build with dependable, high-strength fastening? Add the Hillman M12-1.75 mm D X 30 mm L Heat Treated Steel Hex Head Cap Screw 30 pk to your cart and keep your hardware kit stocked for durable, long-lasting assemblies.
