120 mm Double Thread Screw, 316 Stainless Steel - DTSA4M12X120
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Made in 316 (A4) stainless steel, the Double Thread Screw M12 is a headless stud with a timber thread on one end and a machine thread on the other. The timber end screws into wood, leaving the machine thread free to take a nut or to join into a threaded fitting. It is also known as a hanger bolt.
The range runs to 5 variants, covering lengths 70 mm to 120 mm. Every size comes in packs of 5.
A4 (316) stainless steel contains molybdenum (about 2 to 3 per cent), which improves its resistance to chlorides. It is the grade normally chosen for coastal, pool, marine and food-processing settings, and it costs more than A2 (304). 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. Use stainless washers and nuts with stainless fasteners, so the whole joint is made of the same material.
Where this product is used
- Outdoor and coastal timber fixtures
- Chemical and washdown areas
- Food and beverage processing equipment
- Mounting fittings and hangers to timber
- Joining timber members to threaded connectors
Features
- No head, so the finished joint sits flush
- Lengths from 70 mm to 120 mm
- Supplied in packs of 5
- Metric thread sizes match the nuts, bolts and tapped holes in most Australian-supplied equipment
- Timber thread on one end, machine thread on the other
- A4 (316) stainless steel with molybdenum, for coastal and chloride-exposed settings
Key specifications
| Specification | Detail |
|---|---|
| Product | Double Thread Screw M12 |
| Type | Headless stud with a timber thread on one end and a machine thread on the other |
| Material | A4 (316) stainless steel |
| Magnetic response | Generally non-magnetic (austenitic); cold-worked parts can show weak magnetism |
| Suited to | Coastal, marine, pool and food-processing use |
| Variants | 5 |
| Thread system | Metric |
| Key features | Timber thread on one end, machine thread on the other; No head, so the finished joint sits flush |
| Pack size | 5 |
| Fitting tip | Use anti-seize on the thread to reduce galling |
| Lengths available | 70 mm to 120 mm |
Selecting the right option
Drive the timber end in with two nuts locked together on the machine thread, or with a stud driver. Pre-drill a pilot hole sized to the timber thread.
Related products
Also available: Double Thread Screw - 316 Stainless Steel.
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Double Thread Screw M12 — A4 (316) Stainless Steel: 120mm
SKU: A0212413 | Model: DTSA4M12X120
This is the length 120mm option of the Double Thread Screw M12 — A4 (316) Stainless Steel. Key details for this option: material 316 Stainless Steel, pack quantity Pack of 5.
