1/4 x 1/8 in (8 x 6 mm) 316 Stainless Hex Bush | SSB0806
Available
This AAP hexagon head bush is grade 316 stainless steel with BSP threads. It is supplied in 28 sizes, 1/4 x 1/8 in (8 x 6 mm) to 4 x 3 in (100 x 80 mm).
A bush reduces a threaded port from a larger size to a smaller one. The size is given as the larger thread first, then the smaller, for example 1/2 x 1/4. A threaded bush is normally male on the outside and female on the inside, and this one has a hexagon head for a spanner. AAP does not state the thread gender, so confirm it with AIMS if it matters.
AAP makes its 150 lb stainless steel fittings from grade 316 stainless steel and says 150 lb refers to a maximum working pressure and temperature of 150 psi saturated steam, about 1,034 kPa (manufacturer-stated). AAP gives the grade as 316/316L in its chemical composition table and lists marine, pumping, commercial, chemical and irrigation applications for the range.
Where this product is used
- Marine, pumping, commercial, chemical and irrigation pipework in stainless steel, as listed by AAP for the range
- Reducing a female port to a smaller thread
- Stainless steel pipework where a spanner flat is needed to tighten the bush
Features
- 28 sizes, 1/4 x 1/8 in (8 x 6 mm) to 4 x 3 in (100 x 80 mm)
- Grade 316 stainless steel, 150 lb class (manufacturer-stated)
- Applicable standards listed by AAP include AS 1722.2 and ISO 4144 (manufacturer-stated)
Key specifications
| Specification | Detail |
|---|---|
| Brand | AAP |
| Product | Hexagon head bush, grade 316 stainless steel |
| Type | Hexagon head reducing bush |
| Sizes listed as | Larger thread x smaller thread |
| Material | Grade 316 stainless steel (316/316L composition listed by AAP) |
| Class (manufacturer-stated) | 150 lb (150 psi saturated steam) |
| Applicable standards (manufacturer-stated) | AS 1722.2, ISO 4144, ASTM A351, ASTM A182 |
| Mechanical properties (manufacturer-stated) | Tensile strength min 70,000 psi (483 MPa), yield strength min 25,000 psi (172 MPa), elongation min 35 per cent |
| Sizes | 1/4 x 1/8 in (8 x 6 mm) to 4 x 3 in (100 x 80 mm) (28 sizes) |
Options and part numbers
| Size | Part number | Length A (mm) | Hex width C (mm) | Weight (kg) |
|---|---|---|---|---|
| 1/4 x 1/8 in (8 x 6 mm) | SSB0806 | 17 | 15 | 0.01 |
| 3/8 x 1/4 in (10 x 8 mm) | SSB1008 | 20.5 | 22 | 0.03 |
| 1/2 x 1/4 in (15 x 8 mm) | SSB1508 | 18 | 23 | 0.02 |
| 1/2 x 3/8 in (15 x 10 mm) | SSB1510 | 21 | 23 | 0.03 |
| 3/4 x 1/4 in (20 x 8 mm) | SSB2008 | 21 | 28 | 0.03 |
| 3/4 x 3/8 in (20 x 10 mm) | SSB2010 | 21 | 28 | 0.03 |
| 3/4 x 1/2 in (20 x 15 mm) | SSB2015 | 26 | 28 | 0.06 |
| 1 x 3/8 in (25 x 10 mm) | SSB2510 | 26 | 35 | 0.09 |
| 1 x 1/2 in (25 x 15 mm) | SSB2515 | 26 | 35 | 0.09 |
| 1 x 3/4 in (25 x 20 mm) | SSB2520 | 26 | 35 | 0.07 |
| 1-1/4 x 1/2 in (32 x 15 mm) | SSB3215 | 29 | 44 | 0.17 |
| 1-1/4 x 3/4 in (32 x 20 mm) | SSB3220 | 29 | 44 | 0.14 |
| 1-1/4 x 1 in (32 x 25 mm) | SSB3225 | 29 | 44 | 0.11 |
| 1-1/2 x 3/4 in (40 x 20 mm) | SSB4020 | 31 | 50 | 0.20 |
| 1-1/2 x 1 in (40 x 25 mm) | SSB4025 | 31 | 50 | 0.18 |
| 1-1/2 x 1-1/4 in (40 x 32 mm) | SSB4032 | 31 | 50 | 0.12 |
| 2 x 3/4 in (50 x 20 mm) | SSB5020 | 37 | 61 | 0.41 |
| 2 x 1 in (50 x 25 mm) | SSB5025 | 37 | 61 | 0.35 |
| 2 x 1-1/4 in (50 x 32 mm) | SSB5032 | 35 | 61 | 0.30 |
| 2 x 1-1/2 in (50 x 40 mm) | SSB5040 | 35 | 61 | 0.24 |
| 2-1/2 x 1-1/2 in (65 x 40 mm) | SSB6540 | 38 | 80 | 0.60 |
| 2-1/2 x 2 in (65 x 50 mm) | SSB6550 | 39 | 80 | 0.49 |
| 3 x 1-1/2 in (80 x 40 mm) | SSB8040 | 42 | 92 | 0.97 |
| 3 x 2 in (80 x 50 mm) | SSB8050 | 42 | 92 | 0.85 |
| 3 x 2-1/2 in (80 x 65 mm) | SSB8065 | 42 | 92 | 0.71 |
| 4 x 2 in (100 x 50 mm) | SSB10050 | 49 | 116 | 1.62 |
| 4 x 2-1/2 in (100 x 65 mm) | SSB10065 | 49 | 116 | 1.35 |
| 4 x 3 in (100 x 80 mm) | SSB10080 | 49 | 116 | 1.28 |
A is the length and C is the width across the hexagon head, in millimetres, as lettered on the AAP drawing.
Selecting the right option
Choose the size to match your pipe threads, and check the thread gender at each end against the fitting it joins. Sizes are listed as the larger thread first, then the smaller.
Related products
See also AAP 316 Stainless Steel Reducing Socket, BSP Threaded, AAP 316 Stainless Steel Reducing Hex Nipple, BSP Threaded, AAP 316 Stainless Steel Coupling, BSP Threaded and AAP 316 Stainless Steel Plug, BSP Threaded.
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1/4" x 1/8"
Model Number: SSB0806
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1/2" x 1/4"
Model Number: SSB1508
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1/2" x 3/8"
Model Number: SSB1510
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1-1/2" x 1-1/4"
Model Number: SSB4032
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1" x 3/8"
Model Number: SSB2510
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1" x 1/2"
Model Number: SSB2515
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1" x 3/4"
Model Number: SSB2520
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1-1/4" x 1/2"
Model Number: SSB3215
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1-1/4" x 3/4"
Model Number: SSB3220
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1-1/4" x 1"
Model Number: SSB3225
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1-1/2" x 3/4"
Model Number: SSB4020
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1-1/2" x 1"
Model Number: SSB4025
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2" x 3/4"
Model Number: SSB5020
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2" x 1"
Model Number: SSB5025
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2" x 1-1/4"
Model Number: SSB5032
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2" x 1-1/2"
Model Number: SSB5040
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2-1/2" x 1-1/2"
Model Number: SSB6540
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2-1/2" x 2"
Model Number: SSB6550
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3/8" x 1/4"
Model Number: SSB1008
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3/4" x 1/4"
Model Number: SSB2008
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3/4" x 3/8"
Model Number: SSB2010
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3/4" x 1/2"
Model Number: SSB2015
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3" x 1-1/2"
Model Number: SSB8040
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3" x 2"
Model Number: SSB8050
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3" x 2-1/2"
Model Number: SSB8065
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4" x 2"
Model Number: SSB10050
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4" x 2-1/2"
Model Number: SSB10065
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4" x 3"
Model Number: SSB10080
