Imperial Bolt
Imperial bolts use Unified Thread Standard (UNC, UNF) sizing based on inch measurements. Includes dimension tables and specifications for common imperial bolt sizes used in automotive, industrial, and structural applications
| Type | Description |
|---|---|
| #0 Screw & Bolt Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| 1-3/4” Bolt & Screw Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| 1-5/8” Bolt & Screw Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| 1-1/2” Bolt Dimensions: Thread, Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| 1-3/8” Bolt & Screw Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| 1-1/4” Bolt & Screw Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| 1-1/8” Bolt & Screw Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| 1” Bolt & Screw Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| 1/2” Bolt & Screw Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| 1/4” Bolt & Screw Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| #1 Bolt & Screw Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| 2-3/4 Bolt & Screw Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| 2-1/2” Bolt & Screw Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| 2-1/4” Bolt & Screw Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| 2” Bolt & Screw Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| #2 Screw & Bolt Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| 3-3/4” Bolt & Screw Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| 3-1/2” Bolt & Screw Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| 3-1/4” Bolt & Screw Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| 3” Bolt & Screw Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| 3/4” Bolt & Screw Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| 3/8” Bolt & Screw Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| #3 Screw & Bolt Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| 4” Bolt & Screw Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| #4 Screw & Bolt Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| 5/8” Bolt & Screw Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| 5/16” Screw & Bolt Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| #5 Screw & Bolt Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| #6 Screw & Bolt Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| 7/8” Bolt & Screw Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| 7/16” Screw & Bolt Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| #8 Screw & Bolt Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| 9/16” Bolt & Screw Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| #10 Screw & Bolt Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |
| #12 Screw & Bolt Dimensions: Diameter & Head Size | Dimension charts and specifications following applicable standards. |