M8 x 30 mm Hex Set Bolt, 316 Stainless Steel - XHSA4M8X30
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The Metric Hex Set Bolt (Full Thread), 316 Stainless Steel is a hex head bolt threaded along its full length (also sold as a hex set screw). The full thread lets it run right up to the head and suits tapped holes and thin joints.
The range runs to 229 variants, covering sizes M4 to M36 and lengths 8 mm to 220 mm. Variants are supplied in packs of 5 to 100, depending on size.
Supplied in 316 (A4) stainless steel. The molybdenum in A4 gives better resistance to chlorides than A2 (304), so it is the usual choice near the coast, around pools and in marine and food-processing environments. Metric sizes are written M followed by the nominal thread diameter in millimetres, so M10 is a 10 mm thread.
Austenitic stainless steel is generally non-magnetic, although cold-worked parts can show weak magnetism. In wet conditions, keep stainless steel apart from aluminium and galvanised steel with a washer or sleeve, to reduce the risk of galvanic corrosion.
Where this product is used
- Boat, jetty and waterfront structures
- Screwing into tapped holes in machinery, brackets and plates
- Food and beverage equipment
- Marine, coastal and washdown fittings
- Larger sizes for frames, plant and structural fixings
- Small sizes for enclosures, instruments and light fittings
Features
- Lengths from 8 mm to 220 mm
- Hex head for spanner or socket tightening
- Supplied in packs of 5 to 100
- A4 (316) stainless steel with molybdenum, for coastal and chloride-exposed settings
- Metric thread sizes match the nuts, bolts and tapped holes in most Australian-supplied equipment
- Threaded full length for tapped holes and thin joints
Key specifications
| Specification | Detail |
|---|---|
| Product | Metric Hex Set Bolt (Full Thread) |
| Type | Hex head bolt threaded along its full length (also sold as a hex set screw) |
| Material | A4 (316) stainless steel |
| Head type | Hex |
| Thread system | Metric |
| Magnetic response | Generally non-magnetic (austenitic); cold-worked parts can show weak magnetism |
| Variants | 229 |
| Key features | Threaded full length for tapped holes and thin joints; Hex head for spanner or socket tightening |
| Lengths available | 8 mm to 220 mm |
| Sizes available | M4 to M36 |
| Pack quantity | 5 to 100, by size |
| Suited to | Coastal, marine, pool and food-processing use |
| Fitting tip | Use anti-seize on the thread to reduce galling |
Selecting the right option
A fully threaded bolt is the usual choice for tapped holes. Where the joint is loaded sideways, a partly threaded hex bolt keeps a plain shank in the shear plane. Use anti-seize on the thread, because stainless threads can gall when tightened. For indoor and general outdoor use where chlorides are not a concern, the A2 (304) version is the lower-cost option: Metric Hex Set Bolt (Full Thread) - 304 Stainless Steel.
Related products
Other versions in this range: UNC Hex Set Bolt (Full Thread) - 304 Stainless Steel and BSW Hex Set Bolt (Full Thread) - 316 Stainless Steel. Matching products: Metric Standard Hex Nut - 316 Stainless Steel, Hex Inox Lock Nut A4 (316) and Metric Hex Nylon Insert Lock Nut - 316 Stainless Steel.
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Metric Hex Set Bolt (Full Thread) - 316 Stainless Steel: M8 / 30 mm
SKU: A0075297 | Model: XHSA4M8X30
XHSA4M8X30: M8 x 30 mm hex set bolt, 316 Stainless Steel. Sold in a box of 100. Suits screwing into tapped holes in machinery, brackets and plates.