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
ANM12DT M12 TURRET SELF LOCK NUT PLATED
36 In Stock for despatch
£424.90 (exc VAT) per HUND
£509.88 (inc VAT)
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ANM12I M12 PHILIDAS IND SELF LOCK NUT PLATED
70 In Stock for despatch
£283.00 (exc VAT) per HUND
£339.60 (inc VAT)
-
+
ANM12SP M12 GRD 8 STOVER NUT ZINC & YELLOW
447 In Stock for despatch
Price Unavailable
-
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ANM12V M12 PHILIDAS MK V SELF LOCK NUT
15 In Stock for despatch
£74.10 (exc VAT) per HUND
£88.92 (inc VAT)
-
+
ANM14I M14 PHILIDAS IND NUT SELF LOCK NUT Z/Y
Out of Stock
£951.60 (exc VAT) per HUND
£1,141.92 (inc VAT)
-
+
ANM14IS M14 PHILIDAS IND SELF LOCK NUT SELF COLOUR
2 In Stock for despatch
£918.80 (exc VAT) per HUND
£1,102.56 (inc VAT)
-
+
ANM14V M14 PHILIDAS MK V SELF LOCK NUT
Out of Stock
£97.30 (exc VAT) per HUND
£116.76 (inc VAT)
-
+
ANM16C M16 CLEVELOK ALLMETAL SELF LOCK NUT PLATED
49 In Stock for despatch
Price Unavailable
-
+
ANM16DT M16 TURRET SELF LOCK NUT PLATED
Out of Stock
£832.65 (exc VAT) per HUND
£999.18 (inc VAT)
-
+
ANM16I M16 PHILIDAS IND SELF LOCK NUT PLATED
40 In Stock for despatch
£568.00 (exc VAT) per HUND
£681.60 (inc VAT)
-
+
ANM16IS M16 PHILIDAS IND SELF LOCK NUT S/COL
Out of Stock
£525.70 (exc VAT) per HUND
£630.84 (inc VAT)
-
+
ANM16V M16 PHILIDAS MK V SELF LOCK NUT
19 In Stock for despatch
£117.70 (exc VAT) per HUND
£141.24 (inc VAT)
-
+
ANM18I M18 PHILIDAS IND SELF LOCK NUT PLATED
Out of Stock
£1,917.00 (exc VAT) per HUND
£2,300.40 (inc VAT)
-
+
ANM20C M20 CLEVELOK ALLMETAL SELF LOCK NUT PLATED
Out of Stock
£469.60 (exc VAT) per HUND
£563.52 (inc VAT)
-
+
ANM20DT M20 TURRET SELF LOCK NUT PLATED
Out of Stock
£1,579.35 (exc VAT) per HUND
£1,895.22 (inc VAT)
-
+
ANM20I M20 PHILIDAS IND SELF LOCK NUT PLATED
57 In Stock for despatch
£1,240.00 (exc VAT) per HUND
£1,488.00 (inc VAT)
-
+
ANM20IS M20 PHILIDAS IND SELF LOCK NUT S/COL
20 In Stock for despatch
£1,169.20 (exc VAT) per HUND
£1,403.04 (inc VAT)
-
+
ANM20V M20 PHILIDAS MK V SELF LOCK NUT PLATED
27 In Stock for despatch
£585.80 (exc VAT) per HUND
£702.96 (inc VAT)
-
+
ANM22V M22 PHILIDAS MK V SELF LOCK NUT
Out of Stock
£1,067.60 (exc VAT) per HUND
£1,281.12 (inc VAT)
-
+
ANM24DT M24 TURRET SELF LOCK NUT PLATED
130 In Stock for despatch
£1,480.59 (exc VAT) per HUND
£1,776.71 (inc VAT)
-
+
ANM24I M24 PHILIDAS IND SELF LOCK NUT PLATED
14 In Stock for despatch
£2,420.20 (exc VAT) per HUND
£2,904.24 (inc VAT)
-
+
ANM24V M24 PHILIDAS MK V SELF LOCK NUT
Out of Stock
£407.90 (exc VAT) per HUND
£489.48 (inc VAT)
-
+
ANM27I M27 PHILIDAS IND SELF LOCK NUT PLATED
8 In Stock for despatch
£3,460.00 (exc VAT) per HUND
£4,152.00 (inc VAT)
-
+
ANM27V M27 PHILIDAS MK V SELF LOCK NUT
Out of Stock
£1,977.60 (exc VAT) per HUND
£2,373.12 (inc VAT)
-
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