M4 x 4mm Allen Grub Screw (High Tensile) - 10 Nos
₹23.73 (excl. GST)
- SKU:
- FHT-SCREWSOC-GRBMEM4X4
- Brand:
- Fastdep
- Category:
- M4 Allen Grub Screw
- Qty / Pack:
- 10 per pack
- 🟢 In Stock:
- 99 Packs
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Product Details #
DIN 916 M4 hexagon socket set screws with cup point in hardened alloy steel. Headless design installs fully within a threaded bore for compact shaft-locking at 4mm diameter.
Specification #
| Standard | DIN 916 / ISO 4029 (EN ISO 4029) |
| Material | Alloy Steel |
| Thread | Coarse (standard) |
| Grade | 12.9 |
| Coating | Black oxide |
| Head Type | Headless (no head) |
| Drive Type | Hexagon socket (Allen key/hex wrench) |
| Point Type | Cup point (concave depression) |
Dimension #
| Size | Thread Dia (d) | Pitch | Length(L) | Thread Length (b) |
|---|---|---|---|---|
| M3 | 2.87-3.00 | 0.5 | 3mm - 20mm | Full |
| M4 | 3.85-4.00 | 0.7 | 4mm - 30mm | Full |
| M5 | 4.85-5.00 | 0.8 | 4mm - 40mm | Full |
| M6 | 5.85-6.00 | 1.0 | 5mm - 50mm | Full |
| M8 | 7.83-8.00 | 1.25 | 6mm - 50mm | Full |
- All dimensions in mm, tolerance +/- 0.01 mm. Additional dimensions available on request.
Benefits #
The 4mm grub screw addresses shaft-locking requirements where a headless, fully recessed fastener is needed. Cup point geometry concentrates force on a small contact area, producing reliable indentation-based locking without keyed connections. Internal hex drive allows installation with standard Allen keys in confined spaces. Hardened alloy steel maintains cup point effectiveness across repeated installations. This diameter is commonly used for pulley fixation, bearing locknut securing, and handle attachment in mechanical assemblies.
Common Applications #
M4 grub screws are specified for shaft-locking and component fixation:
- Shaft-to-collar and shaft-to-gear locking
- Pulley and sprocket fixation
- Door handle and lockset assemblies
- Bicycle component clamping
- Cam and lever fixation
The product images are for illustration purposes only. Actual products may vary by part number, size, model, color, etc. Customers unfamiliar with the products are encouraged to contact our support team for exact images, if available. This product comes with a warranty against manufacturing defects; refer to the warranty policy for claim instructions. id/275, /product/allen-grub-screw-m4x4mm.md, /catalog/m4-allen-grub-screw.md,
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