Details

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Unified Coarse Pitch (UNC)

• Unified to ANSI/ASME B1.2
• Screw Plugs to class 2B
• Screw Plugs - standard right-hand
• Class 1B, 3B, 1A, 3A, UNS & non-standard gauges also available. (on request)
• Besides holding a comprehensive range of Screw Gauges of standard pitch/diameter combinations.
• Non-standard size, pre-plating gauge, special pitch/diameter combinations & special screw gauge to the customer's drawing can also be manufactured.
• BS 1580: Part 1, 2 & 3; and BS919 Part 1 available on request

UNIFIED COARSE PITCH (UNC)
SIZES			SCREW PLUGS
			GO & NOT GO			GO or NOT GO			GO & NOT GO
			D/E (Style E)			S/E*			D/E (EZH Handle)
			ORDER NO.			ORDER NO.			ORDER NO.
1 - 64 UNC			TF1UNC			TF1UNC-			---
2 - 56 UNC			TF2UNC			TF2UNC-			TF2UNC-EZH
3 - 48 UNC			TF3UNC			TF3UNC-			TF3UNC-EZH
4 - 40 UNC			TF4UNC			TF4UNC-			TF4UNC-EZH
5 - 40 UNC			TF5UNC			TF5UNC-			TF5UNC-EZH
6 - 32 UNC			TF6UNC			TF6UNC-			TF6UNC-EZH
8 - 32 UNC			TF8UNC			TF8UNC-			TF8UNC-EZH
10 - 24 UNC			TF10UNC			TF10UNC-			TF10UNC-EZH
12 - 24 UNC			TF12UNC			TF12UNC-			TF12UNC-EZH
1/4 - 20 UNC			TF1/4UNC			TF1/4UNC-			TF1/4UNC-EZH
5/16 - 18 UNC			TF5/16UNC			TF5/16UNC-			TF5/16UNC-EZH
3/8 - 16 UNC			TF3/8UNC			TF3/8UNC-			TF3/8UNC-EZ
7/16 - 14 UNC			TF7/16UNC			TF7/16UNC-			TF7/16UNC-EZ
1/2 - 13 UNC			TF1/2UNC			TF1/2UNC-			TF1/2UNC-EZ
9/16 - 12 UNC			TF9/16UNC			TF9/16UNC-			---
5/8 - 11 UNC			TF5/8UNC			TF5/8UNC-			---
3/4 - 10 UNC			TF3/4UNC			TF3/4UNC-			---
7/8 - 9 UNC			TF7/8UNC			TF7/8UNC-			---
1" - 8 UNC			TF1"UNC			TF1"UNC-			---
1.1/8 - 7 UNC			TF1.1/8UNC			TF1.1/8UNC-			---
1.1/4 - 7 UNC			TF1.1/4UNC			TF1.1/4UNC-			---
1.3/8 - 6 UNC			TF1.3/8UNC			TF1.3/8UNC-			---
1.1/2 - 6 UNC			TF1.1/2UNC			TF1.1/2UNC-			---

• for single end, please specify G (Go) or NG (Not Go)