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
SSNNM02 M2 A2 ST/ST NYLON INSERT NUT TYPE T DIN 985
Out of Stock
£165.00 (exc VAT) per HUND
£198.00 (inc VAT)
-
+
SSNNM02.5 M2.5 A2ST/ST NYLON INSERT NUT TYPE T DIN 985
25 In Stock for despatch
£25.20 (exc VAT) per HUND
£30.24 (inc VAT)
-
+
SSNNM03 M3 A2 ST/ST NYLON INSERT NUT TYPE T DIN 985
425 In Stock for despatch
£4.50 (exc VAT) per HUND
£5.40 (inc VAT)
-
+
SSNNM04 M4 A2 ST/ST NYLON INSERT NUT TYPE T DIN 985
959 In Stock for despatch
£4.50 (exc VAT) per HUND
£5.40 (inc VAT)
-
+
SSNNM05 M5 A2 ST/ST NYLON INSERT NUT TYPE T DIN 985
1064 In Stock for despatch
£5.50 (exc VAT) per HUND
£6.60 (inc VAT)
-
+
SSNNM06 M6 A2 ST/ST NYLON INSERT NUT TYPE T DIN 985
1784 In Stock for despatch
£9.10 (exc VAT) per HUND
£10.92 (inc VAT)
-
+
SSNNM08 M8 A2 ST/ST NYLON INSERT NUT TYPE T DIN 985
885 In Stock for despatch
£15.80 (exc VAT) per HUND
£18.96 (inc VAT)
-
+
SSNNM10 M10 A2 ST/ST NYLON INSERT NUT TYPE T DIN 985
552 In Stock for despatch
£36.50 (exc VAT) per HUND
£43.80 (inc VAT)
-
+
SSNNM12 M12 A2 ST/ST NYLON INSERT NUT TYPE T DIN 985
642 In Stock for despatch
£44.00 (exc VAT) per HUND
£52.80 (inc VAT)
-
+
SSNNM14 M14 A2 ST/ST NYLON INSERT NUT TYPE T DIN 985
133 In Stock for despatch
£134.20 (exc VAT) per HUND
£161.04 (inc VAT)
-
+
SSNNM16 M16 A2 ST/ST NYLON INSERT NUT TYPE T DIN 985
126 In Stock for despatch
£98.90 (exc VAT) per HUND
£118.68 (inc VAT)
-
+
SSNNM18 M18 A2 ST/ST NYLON INSERT NUT TYPE T DIN 985
9 In Stock for despatch
£253.50 (exc VAT) per HUND
£304.20 (inc VAT)
-
+
SSNNM20 M20 A2 ST/ST NYLON INSERT NUT TYPE T DIN 985
56 In Stock for despatch
£230.10 (exc VAT) per HUND
£276.12 (inc VAT)
-
+
SSNNM22 M22 A2 ST/ST NYLON INSERT NUT TYPE T DIN 985
53 In Stock for despatch
£856.00 (exc VAT) per HUND
£1,027.20 (inc VAT)
-
+
SSNNM24 M24 A2 ST/ST NYLON INSERT NUT TYPE T DIN 985
27 In Stock for despatch
£560.20 (exc VAT) per HUND
£672.24 (inc VAT)
-
+
SSNNM27 M27 ST/ST NYLON INSERT NUT TYPE T DIN 985
Out of Stock
£1,220.05 (exc VAT) per HUND
£1,464.06 (inc VAT)
-
+
SSNNM27A4 M27 A4 ST/ST NYLON INSERT NUT TYPE T DIN 985
Out of Stock
£1,950.00 (exc VAT) per HUND
£2,340.00 (inc VAT)
-
+
SSNNM30 M30 A2 ST/ST NYLON INSERT NUT TYPE T DIN 985
25 In Stock for despatch
£1,910.00 (exc VAT) per HUND
£2,292.00 (inc VAT)
-
+
SSNNM30A4 M30 A4 ST/ST NYLON INSERT NUT TYPE T DIN 985
1 In Stock for despatch
£2,370.00 (exc VAT) per HUND
£2,844.00 (inc VAT)
-
+
SSNNM33A4 M33 A4 ST/ST NYLON INSERT NUT TYPE T DIN 985
Out of Stock
Price Unavailable
-
+
SSNNM36 M36 A2 ST/ST NYLON INSERT NUT TYPE T DIN 985
6 In Stock for despatch
£4,500.00 (exc VAT) per HUND
£5,400.00 (inc VAT)
-
+
SSNNM36A4 M36 A4 ST/ST NYLON INSERT NUT TYPE T DIN 985
Out of Stock
£4,583.10 (exc VAT) per HUND
£5,499.72 (inc VAT)
-
+
SSNNM48 M48 A2 ST/ST NYLON INSERT NUT
12 In Stock for despatch
Price Unavailable
-
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