Details

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Unified Fine Pitch (UNF)

• 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 sizes, pre-plating gauges, special pitch/diameter combinations & special screw gauges to the customer's drawing can also be manufactured.
• BS 1580: Part 1, 2 & 3; and BS919 Part 1 available on request

UNIFIED FINE PITCH (UNF)

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.

0 - 80 UNF

TF0UNF

TF0UNF-

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1 - 72 UNF

TF1UNF

TF1UNF-

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2 - 64 UNF

TF2UNF

TF2UNF-

TF2UNF-EZH

3 - 56 UNF

TF3UNF

TF3UNF-

TF3UNF-EZH

4 - 48 UNF

TF4UNF

TF4UNF-

TF4UNF-EZH

5 - 44 UNF

TF5UNF

TF5UNF-

TF5UNF-EZH

6 - 40 UNF

TF6UNF

TF6UNF-

TF6UNF-EZH

8 - 36 UNF

TF8UNF

TF8UNF-

TF8UNF-EZH

10 - 32 UNF

TF10UNF

TF10UNF-

TF10UNF-EZH

12 - 28 UNF

TF12UNF

TF12UNF-

TF12UNF-EZH

1/4 - 28 UNF

TF1/4UNF

TF1/4UNF-

TF1/4UNF-EZH

5/16 - 24 UNF

TF5/16UNF

TF5/16UNF-

TF5/16UNF-EZH

3/8 - 24 UNF

TF3/8UNF

TF3/8UNF-

TF3/8UNF-EZH

7/16 - 20 UNF

TF7/16UNF

TF7/16UNF-

TF7/16UNF-EZH

1/2 - 20 UNF

TF1/2UNF

TF1/2UNF-

TF1/2UNF-EZH

9/16 - 18 UNF

TF9/16UNF

TF9/16UNF-

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5/8 - 18 UNF

TF5/8UNF

TF5/8UNF-

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3/4 - 16 UNF

TF3/4UNF

TF3/4UNF-

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7/8 - 14 UNF

TF7/8UNF

TF7/8UNF-

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1" - 12 UNF

TF1"UNF

TF1"UNF-

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1.1/8 - 12 UNF

TF1.1/8UNF

TF1.1/8UNF-

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1.1/4 - 12 UNF

TF1.1/4UNF

TF1.1/4UNF-

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1.3/8 - 12 UNF

TF1.3/8UNF

TF1.3/8UNF-

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1.1/2 - 12 UNF

TF1.1/2UNF

TF1.1/2UNF-

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