M20 x 1.5P, Hex-Bolt (8.8).
M20 x 1.5 Pitch (super-fine), Shoulder Bolt/ Plain Shank Bolt, Hexagon/ Hex Head, High Tensile (8.8), Self-Colour.
Fixaball.co.uk sells all sizes, materials and finishes of hexagon head, shoulder bolts, at the best internet prices, with free delivery.
Orders placed before 2pm are usually dispatched same day (Mon-Fri).
Please choose your size and pack quantity from the drop down menus.
Bolt vs Set Screw
A set screw fastens materials together by twisting it directly through the latest component material, into a pre-threaded hole, pulling everything together. A shoulder bolt fastens materials by passing them through pre drilled holes in the adjoining materials and cramping them between the head at one end and a nut on the other. Additional washers are often used to spread the load further. A set screw is fully threaded from underneath the head and a bolt is partially threaded (has a part-plain shank). A bolt is used when you know the length you need and a set screw can be used as a bolt if you need more flexibility in the length.
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 |
Threads
Metric Threads 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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Fixaball shoulder bolts are also available in the following materials:
High Tensile (8.8, 10.9, 12.8), Zinc Plated, Brass, A2 Stainless (regular), A4 Stainless (marine)
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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