Hammer Head T - Slot Bolts M5 M6 M8 — Grade 4.8 Carbon Steel, Nickel Plated, T - Nut Screws for Aluminum Extrusion - HomeDIYer

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Hammer Head T-Slot Bolts M5 M6 M8 — Grade 4.8 Carbon Steel, Nickel Plated, T-Nut Screws for Aluminum Extrusion

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Thread Dia. x Length（not include head）: M5x10

Pack of Quantity(Pcs): 20 Pcs

Screw Type: Type-20

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$13.10 USD

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Hammer Head T-Slot Bolts M5 M6 M8 — Drop-In Fastening for Aluminum Extrusion Frames

If you've ever wrestled with disassembling an entire aluminum extrusion frame just to add a bracket or accessory mid-build, you know how frustrating that can be. These hammer head T-slot bolts are designed for makers, fabricators, CNC builders, and workshop DIYers who need a fast, tool-friendly way to attach components anywhere along a T-slot channel — without taking the frame apart.

Each bolt features a rotating hammer head that drops into the T-slot and locks with a 90° turn, giving you a secure mechanical connection in seconds. Available in M5, M6, and M8 thread diameters with lengths ranging from 10mm (≈3/8") to 40mm (≈1-9/16"), these bolts are machined from Grade 4.8 carbon steel and finished with a nickel plating for a clean appearance and moderate corrosion resistance. Pack options run from 10 to 200 pieces so you can stock exactly what your project demands.

Typical applications include assembling CNC router frames and 3D printer enclosures, mounting linear rails and drag chain brackets to aluminum extrusion profiles, and building modular workbench fixtures or machine guards — anywhere a reliable metric T-slot fastener is needed.

🔩 Compatibility: Designed for standard metric aluminum extrusion T-slot profiles — Type-20 for 20-series (M5), Type-30 for 30-series (M6), Type-40 for 40-series (M8), Type-45 for 45-series (M8). Verify your extrusion slot width before ordering.

✅ Key Features of These Hammer Head T-Slot Bolts

🔄 Drop-In Hammer Head Design — The rotating head inserts into the T-slot channel and locks with a simple 90° turn, allowing mid-frame installation without disassembling your aluminum extrusion structure.
⚙️ Grade 4.8 Carbon Steel Construction — Manufactured to Grade 4.8 specifications, these T-slot screws deliver reliable tensile strength for structural brackets, linear rail mounts, and machine frame assemblies.
✨ Nickel-Plated Finish — The electroplated nickel coating provides a uniform silver appearance and moderate corrosion resistance, keeping fasteners looking clean in workshop and light-duty outdoor environments.
📐 Wide Size Range — M5, M6 & M8 — Three thread diameters and lengths from 10mm (≈3/8") to 40mm (≈1-9/16") cover the most common metric aluminum extrusion T-slot fastener requirements in a single product line.
📦 Flexible Pack Quantities — Choose from 10 to 200 pieces per order. Smaller packs suit one-off repairs; larger packs reduce per-unit cost for production CNC frames, 3D printer builds, or workshop fixture projects.
🔧 Profile-Matched Screw Types — Four screw types (Type-20, 30, 40, 45) are matched to their respective extrusion series, ensuring the hammer head seats flush and locks securely without play or rattle.

📐 Technical Specifications — Hammer Head T-Slot Bolts

Material	Grade 4.8 Carbon Steel
Surface Finish	Nickel Plated (electroplated)
Thread Diameters	M5, M6, M8
Thread Length Range	10mm (≈3/8") – 40mm (≈1-9/16") — see variant options
Head Type	Hammer Head (rotating, drop-in)
Compatible Extrusion Series	20-series (M5), 30-series (M6), 40-series (M8), 45-series (M8)
Screw Types Available	Type-20, Type-30, Type-40, Type-45
Pack Quantities	10, 20, 40, 50, 80, 100, 160, 200 Pcs — see variant options
Thread Standard	Metric (ISO)
Drive Type	See variant options / Contact us to confirm
Weight per Piece	See variant options
Country of Origin	Contact us to confirm

⚠️ Note: Thread length is measured excluding the hammer head. Please confirm your extrusion slot width and series before selecting a screw type.

❓ Frequently Asked Questions

How do I choose the right length for my T-slot bolt?

Measure the total material thickness you need to clamp, then add the thread engagement depth — typically 1.0–1.5× the bolt diameter. For example, clamping 10mm (≈3/8") of material with an M6 bolt generally calls for a length of 16–20mm (≈5/8"–3/4"). When in doubt, choose the next size up.

What is the load capacity of these T-slot bolts?

These bolts are Grade 4.8 carbon steel, which typically provides a tensile strength of approximately 400 MPa and a proof load of around 310 MPa. Actual load capacity depends on the size, length, and the aluminum extrusion profile used. For structural or safety-critical applications, consult an engineer.

Can these bolts be used outdoors or in humid environments?

The nickel plating provides moderate corrosion resistance suitable for indoor and light-duty outdoor use. For prolonged outdoor exposure or high-humidity environments, we recommend applying an additional protective coating or contacting us to confirm suitability.

What T-slot profiles are these bolts compatible with?

These hammer head T-slot bolts are designed for standard metric aluminum extrusion T-slot profiles. M5 bolts generally fit 20-series and 30-series profiles; M6 bolts fit 30-series profiles; M8 bolts fit 40-series and 45-series profiles. Always verify the slot width of your specific extrusion before ordering.

How do I install a hammer head T-slot bolt?

Insert the hammer head into the T-slot channel at a 90° angle, then rotate 90° so the head locks across the slot. Thread on your T-nut or bracket, then tighten with the appropriate hex key. No disassembly of the extrusion frame is required.

Which screw type (Type-20, 30, 40, 45) should I choose?

The type number corresponds to the aluminum extrusion series it is designed for: Type-20 fits 20-series profiles (M5 threads), Type-30 fits 30-series profiles (M6 threads), Type-40 fits 40-series profiles (M8 threads), and Type-45 fits 45-series profiles (M8 threads). Match the type to your extrusion series for a secure fit.

What pack sizes are available and which is most cost-effective?

Packs range from 10 to 200 pieces depending on the size selected. Larger packs generally offer a lower per-piece cost and are ideal for production builds, CNC machine frames, or workshop fixture setups where you need a consistent supply on hand.

🛒 Select your size, length, and pack quantity above, then add to cart — ships from our US warehouse.

Hammer Head T-Slot Bolts M5 M6 M8 — Grade 4.8 Carbon Steel, Nickel Plated, T-Nut Screws for Aluminum Extrusion

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Beschreibung

Hammer Head T-Slot Bolts M5 M6 M8 — Drop-In Fastening for Aluminum Extrusion Frames

✅ Key Features of These Hammer Head T-Slot Bolts

📐 Technical Specifications — Hammer Head T-Slot Bolts

❓ Frequently Asked Questions

Hammer Head T-Slot Bolts M5 M6 M8 — Grade 4.8 Carbon Steel, Nickel Plated, T-Nut Screws for Aluminum Extrusion

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