METRIC THREAD

METRIC THREAD

Metric threads, the most widely used general-purpose screw threads globally, are defined by the ISO Metric Screw Thread standard (ISO 68). They are characterized by a symmetric V-shape profile with a 60° flank angle. 

Designation System

A metric thread is designated by the letter M followed by its nominal major diameter in millimetres. If the pitch is not the standard "coarse" pitch, it is specified after the diameter, separated by an "x" (or a dash). 

  • M8: Refers to a coarse thread with a nominal diameter of 8 mm (and an implied standard pitch of 1.25 mm).
  • M8x1: Refers to a fine thread with a diameter of 8 mm and a pitch of 1 mm. 

Coarse vs. Fine Threads

Metric threads are available in two primary pitch types, which are not related to manufacturing quality. 

  • Coarse Threads:
    • Feature a larger pitch (distance between threads).
    • Are the more common and general-purpose type, widely available and suitable for most applications.
    • Allow for quick assembly and disassembly.
  • Fine Threads:
    • Have a smaller pitch, meaning more threads per unit of length.
    • Offer enhanced strength and better resistance to loosening from vibration.
    • Require a longer thread engagement and are often found in automotive and aerospace applications. 

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Code Description Price Quantity
WNM04 M 4 WING NUT
Out of Stock
Price Unavailable
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WNM04P M 4 WING NUT ZINC
Out of Stock
£28.04 (exc VAT) per HUND
£33.65 (inc VAT)
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WNM05 M 5 WING NUT
34 In Stock for despatch
£23.90 (exc VAT) per HUND
£28.68 (inc VAT)
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WNM05P M 5 WING NUT ZINC
63 In Stock for despatch
£18.00 (exc VAT) per HUND
£21.60 (inc VAT)
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WNM06 M 6 WING NUT
Out of Stock
£16.45 (exc VAT) per HUND
£19.74 (inc VAT)
-
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WNM06-DIN315 M6 WING NUTS ROUNDED WINGS DIN315 CAST IRON
Out of Stock
Price Unavailable
-
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WNM06P M 6 WING NUT ZINC
363 In Stock for despatch
£7.90 (exc VAT) per HUND
£9.48 (inc VAT)
-
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WNM08 M 8 WING NUT
Out of Stock
£26.89 (exc VAT) per HUND
£32.27 (inc VAT)
-
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WNM08Z M 8 WING NUT ZINC
178 In Stock for despatch
£15.80 (exc VAT) per HUND
£18.96 (inc VAT)
-
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WNM10 M10 WING NUT
5 In Stock for despatch
£35.23 (exc VAT) per HUND
£42.28 (inc VAT)
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WNM10-DIN315 M10 WING NUT ZINC PLATED DIN-315 (16260.100.001)
Out of Stock
£259.70 (exc VAT) per HUND
£311.64 (inc VAT)
-
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WNM10-DIN315SC M10 WING NUTS ROUNDED WINGS DIN315 CAST IRON
Out of Stock
£358.80 (exc VAT) per HUND
£430.56 (inc VAT)
-
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WNM10P M10 WING NUT ZINC
170 In Stock for despatch
£27.90 (exc VAT) per HUND
£33.48 (inc VAT)
-
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WNM12 M12 WING NUT
2 In Stock for despatch
£60.70 (exc VAT) per HUND
£72.84 (inc VAT)
-
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WNM12-DIN315 M12 WING NUT ZINC PLATED DIN-315 (16270.120.001)
Out of Stock
£394.60 (exc VAT) per HUND
£473.52 (inc VAT)
-
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WNM12P M12 WING NUT ZINC
98 In Stock for despatch
£47.60 (exc VAT) per HUND
£57.12 (inc VAT)
-
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WNM14P M14 WING NUT Z/P DIN315 ROUND WINGS
34 In Stock for despatch
£1,066.80 (exc VAT) per HUND
£1,280.16 (inc VAT)
-
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WNM16 M16 WING NUT
1 In Stock for despatch
£193.62 (exc VAT) per HUND
£232.34 (inc VAT)
-
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WNM16P M16 WING NUT ZINC
246 In Stock for despatch
£512.20 (exc VAT) per HUND
£614.64 (inc VAT)
-
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WNM20 M20 WING NUT
Out of Stock
£685.36 (exc VAT) per HUND
£822.43 (inc VAT)
-
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WNM20P M20 WING NUTS ZINC PLATED (16250)
18 In Stock for despatch
£913.00 (exc VAT) per HUND
£1,095.60 (inc VAT)
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