M20 x 1.5P (fine), Hex-Set Screw (8.8).
M20 x 1.5 Pitch (fine), Hexagon, Set Screw, High Tensile (8.8), Self Colour, DIN 961.
Fixaball.co.uk sells all lengths of M20 x 1.5P hexagon head, set screw-bolts, at the best internet prices, with free, first class delivery.
- Orders placed before 2pm are usually dispatched same day (Mon-Fri).
- Please choose your size and pack quantity from the drop down menus.
- These fasteners are fully threaded.
Bolt vs Screw
A screw, screws into something, a bolt joins several things together from the outer sides of materials joined. A screw is fully threaded from underneath the head and a bolt is partially threaded (has a part-plain shank/ shoulder)
Head Type
Hexagon Head.
Spanner Sizes
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FIXABALL – Specialist Fixings and Fasteners Spanner Sizes METRIC - Hexagon Head Bolts/ Sets |
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Thread Size/ Diameter |
Spanner Size |
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M3 (3mm) |
5.5mm |
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M4 (4mm) |
7mm |
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M5 (5mm) |
8mm |
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M6 (6mm) |
10mm |
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M8 (8mm) |
13mm |
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M10 (10mm) |
17mm |
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M12 (12mm) |
19mm |
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M14 (14mm) |
22mm |
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M16 (16mm) |
24mm |
They come in the following materials:
High Tensile (8.8, 10.9, 12.8), Zinc Plated, Brass, A2 Stainless (regular), A4 Stainless (marine)
Threads
Metric Coarse and Metric Fine (M1, M2, M3.... M10, etc.) dimensions are measured in Millimetres (mm) units and were developed to simplify the imperial systems. Europe moved to this system but the Americans choose Imperial as their default. A coarse thread has less helical coils per mm and a fine one has more. Coarse is used for heavier loads and fine is used for lighter loads prone to vibrations.
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Metric Threads/ Pitches |
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Fixaball.co.uk – Specialists in Fixings and Fasteners |
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Pitch / Thread Types |
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Size |
Standard/ Coarse |
Fine |
Super Fine |
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M1.6 |
0.35 |
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M2 |
0.4 |
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M2.5 |
0.45 |
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M3 |
0.5 |
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M4 |
0.7 |
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M5 |
0.8 |
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M6 |
1.0 |
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M7 |
1.0 |
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M8 |
1.25 |
1.0 |
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M10 |
1.5 |
1.25 |
1.0 |
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M12 |
1.75 |
1.5 |
1.25 |
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M14 |
2.0 |
1.5 |
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M16 |
2.0 |
1.5 |
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M18 |
2.5 |
2.0 |
1.5 |
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M20 |
2.5 |
2.0 |
1.5 |
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M22 |
2.5 |
2.0 |
1.5 |
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M24 |
3.0 |
2.0 |
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M27 |
3.0 |
2.0 |
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M30 |
3.5 |
2.0 |
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M33 |
3.5 |
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M36 |
4.0 |
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M39 |
4.0 |
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M45 |
4.5 |
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M52 |
5.0 |
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M56 |
5.5 |
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Image is for illustrative purposes only.
Please choose from the following for technical and/ or sales enquiries.
- Fill out the website enquiry form at https://www.fixaball.co.uk/
- Click on the CHAT icon on the website
- Call: 01242 522244
- Email: sam@fixaball.co.uk
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