M3 x 6 mm Button Head Socket Screw, 304 Stainless Steel - BCSA2M3X6
Available
The Metric Button Socket Head Screw, 304 Stainless Steel is available in 82 sizes (M3 to M12) and is a low, domed-head screw driven by a hex key. The smooth rounded head sits above the surface with little to catch on, so it is used where appearance or a snag-free finish matters.
A2 stainless (grade 304) gives sound general corrosion resistance for inside work, fresh water and ordinary outdoor exposure. It is not the grade normally chosen for coastal, pool or marine work, where A4 (316) is recommended. Metric sizes are written M followed by the nominal thread diameter in millimetres, so M10 is a 10 mm thread.
The range runs to 82 variants, covering sizes M3 to M12 and lengths 4 mm to 100 mm. Pack quantities depend on size: packs of 25 to 100.
Stainless threads can gall (seize) when tightened under load or at speed. A smear of anti-seize on the thread and a steady tightening speed reduce the risk.
Where this product is used
- Small sizes for enclosures, instruments and light fittings
- General workshop and maintenance use
- Furniture, shopfitting and architectural fittings
- Guards, covers and panels with a smooth finish
- Indoor architectural and joinery work
- Larger sizes for frames, plant and structural fixings
Features
- A2 (304) stainless steel for indoor, fresh water and general outdoor use
- Choice of 82 sizes, M3 to M12
- Low domed head with a smooth, rounded profile
- Metric thread sizes match the nuts, bolts and tapped holes in most Australian-supplied equipment
- Lengths from 4 mm to 100 mm
- Hex key drive
Key specifications
| Specification | Detail |
|---|---|
| Product | Metric Button Socket Head Screw |
| Type | Low |
| Material | A2 (304) stainless steel |
| Typical environment | Indoor, fresh water and general outdoor use |
| Thread system | Metric |
| Fitting tip | Use anti-seize on the thread to reduce galling |
| Magnetic response | Generally non-magnetic (austenitic); cold-worked parts can show weak magnetism |
| Drive | Hex socket |
| Key features | Low domed head with a smooth, rounded profile; Hex key drive |
| Listed variants | 82 |
| Head type | Button (domed) |
| Pack size | 25 to 100, by size |
| Sizes available | M3 to M12 |
| Lengths available | 4 mm to 100 mm |
Selecting the right option
The head is shallow, so the hex recess is smaller than on a cap screw of the same thread size. Use the correct key and avoid over-tightening. Use anti-seize on the thread. Near the coast, around pools or in marine settings, use the A4 (316) version instead: Metric Button Socket Head Screw - 316 Stainless Steel.
Related products
Also available: Button Head Socket Screw M4 - Stainless Steel and Button Head Socket Screw Black Stainless Steel. Matching products: Inox Standard Flat Round Washer - 304 Stainless Steel.
Resources
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M3 / 4 mmmm socket
Model Number: SB04PCM030004
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M3 / 6 mmmm socket
Model Number: BCSA2M3X6
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M3 / 8 mmmm socket
Model Number: BCSA2M3X8
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M3 / 10 mmmm socket
Model Number: BCSA2M3X10
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M3 / 12 mmmm socket
Model Number: BCSA2M3X12
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M3 / 16 mmmm socket
Model Number: BCSA2M3X16
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M3 / 20 mmmm socket
Model Number: BCSA2M3X20
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M3 / 25 mmmm socket
Model Number: BCSA2M3X25
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M3 / 30 mmmm socket
Model Number: BCSA2M3X30
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M3 / 40 mmmm socket
Model Number: BCSA2M3X40
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M3 / 50 mmmm socket
Model Number: BCSA2M3X50
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M4 / 6 mmmm socket
Model Number: BCSA2M4X6
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M4 / 8 mmmm socket
Model Number: BCSA2M4X8
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M4 / 10 mmmm socket
Model Number: BCSA2M4X10
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M4 / 12 mmmm socket
Model Number: BCSA2M4X12
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M4 / 16 mmmm socket
Model Number: BCSA2M4X16
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M4 / 20 mmmm socket
Model Number: BCSA2M4X20
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M4 / 25 mmmm socket
Model Number: BCSA2M4X25
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M4 / 30 mmmm socket
Model Number: BCSA2M4X30
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M4 / 40 mmmm socket
Model Number: BCSA2M4X40
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M4 / 50 mmmm socket
Model Number: BCSA2M4X50
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M5 / 8 mmmm socket
Model Number: BCSA2M5X8
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M5 / 10 mmmm socket
Model Number: BCSA2M5X10
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M5 / 12 mmmm socket
Model Number: BCSA2M5X12
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M5 / 16 mmmm socket
Model Number: BCSA2M5X16
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M5 / 20 mmmm socket
Model Number: BCSA2M5X20
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M5 / 25 mmmm socket
Model Number: BCSA2M5X25
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M5 / 30 mmmm socket
Model Number: BCSA2M5X30
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M5 / 35 mmmm socket
Model Number: BCSA2M5X35
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M5 / 40 mmmm socket
Model Number: BCSA2M5X40
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M5 / 45 mmmm socket
Model Number: BCSA2M5X45
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M5 / 50 mmmm socket
Model Number: BCSA2M5X50
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M5 / 60 mmmm socket
Model Number: BCSA2M5X60
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M6 / 10 mmmm socket
Model Number: BCSA2M6X10
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M6 / 12 mmmm socket
Model Number: BCSA2M6X12
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M6 / 16 mmmm socket
Model Number: BCSA2M6X16
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M6 / 20 mmmm socket
Model Number: BCSA2M6X20
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M6 / 25 mmmm socket
Model Number: BCSA2M6X25
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M6 / 30 mmmm socket
Model Number: BCSA2M6X30
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M6 / 35 mmmm socket
Model Number: BCSA2M6X35
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M6 / 40 mmmm socket
Model Number: BCSA2M6X40
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M6 / 45 mmmm socket
Model Number: BCSA2M6X45
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M6 / 50 mmmm socket
Model Number: BCSA2M6X50
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M6 / 60 mmmm socket
Model Number: BCSA2M6X60
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M6 / 70 mmmm socket
Model Number: BCSA2M6X70
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M6 / 80 mmmm socket
Model Number: BCSA2M6X80
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M6 / 100 mmmm socket
Model Number: BCSA2M6X100
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M8 / 12 mmmm socket
Model Number: BCSA2M8X12
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M8 / 16 mmmm socket
Model Number: BCSA2M8X16
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M8 / 20 mmmm socket
Model Number: BCSA2M8X20
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M8 / 25 mmmm socket
Model Number: BCSA2M8X25
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M8 / 30 mmmm socket
Model Number: BCSA2M8X30
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M8 / 35 mmmm socket
Model Number: BCSA2M8X35
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M8 / 40 mmmm socket
Model Number: BCSA2M8X40
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M8 / 45 mmmm socket
Model Number: BCSA2M8X45
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M8 / 50 mmmm socket
Model Number: BCSA2M8X50
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M8 / 60 mmmm socket
Model Number: BCSA2M8X60
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M8 / 70 mmmm socket
Model Number: BCSA2M8X70
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M8 / 80 mmmm socket
Model Number: BCSA2M8X80
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M8 / 100 mmmm socket
Model Number: BCSA2M8X100
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M10 / 16 mmmm socket
Model Number: BCSA2M10X16
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M10 / 20 mmmm socket
Model Number: BCSA2M10X20
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M10 / 25 mmmm socket
Model Number: BCSA2M10X25
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M10 / 30 mmmm socket
Model Number: BCSA2M10X30
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M10 / 35 mmmm socket
Model Number: BCSA2M10X35
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M10 / 40 mmmm socket
Model Number: BCSA2M10X40
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M10 / 45 mmmm socket
Model Number: BCSA2M10X45
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M10 / 50 mmmm socket
Model Number: BCSA2M10X50
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M10 / 60 mmmm socket
Model Number: BCSA2M10X60
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M10 / 70 mmmm socket
Model Number: BCSA2M10X70
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M10 / 80 mmmm socket
Model Number: BCSA2M10X80
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M10 / 100 mmmm socket
Model Number: BCSA2M10X100
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M12 / 20 mmmm socket
Model Number: BCSA2M12X20
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M12 / 25 mmmm socket
Model Number: BCSA2M12X25
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M12 / 30 mmmm socket
Model Number: BCSA2M12X30
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M12 / 35 mmmm socket
Model Number: BCSA2M12X35
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M12 / 40 mmmm socket
Model Number: BCSA2M12X40
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M12 / 50 mmmm socket
Model Number: BCSA2M12X50
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M12 / 60 mmmm socket
Model Number: BCSA2M12X60
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M12 / 70 mmmm socket
Model Number: BCSA2M12X70
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M12 / 80 mmmm socket
Model Number: BCSA2M12X80
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M12 / 100 mmmm socket
Model Number: BCSA2M12X100
