Product Description
3/4" UNC Grade 5 High Tensile Zinc Plated Steel Hex Head Bolts
3/4 inch UNC hex head bolts manufactured from Grade 5 high tensile steel with a zinc plated finish. These imperial bolts feature a partially threaded shaft with a plain shank beneath the head.
The 3/4-10 UNC thread has 10 threads per inch. Suitable for machinery, maintenance and general engineering assemblies requiring matching imperial coarse-thread fasteners.
Technical Specifications
| Thread Size | 3/4" UNC |
|---|---|
| Nominal Diameter | 3/4 inch / 19.05mm |
| Threads Per Inch | 10 TPI |
| Thread Type | Unified National Coarse |
| Material Grade | Grade 5 high tensile steel |
| Finish | Zinc plated |
| Head Style | Hexagon |
| Thread Coverage | Part threaded with plain shank |
| Spanner Size Across Flats | 1-1/8 inch / 28.58mm approximately |
| Head Height | 15/32 inch / 11.91mm approximately |
| Threaded Length | 1-3/4 inches / 44.45mm approximately |
Length and Plain Shank Guide
| Bolt Length Beneath Head | Approximate Plain Shank Length |
|---|---|
| 2-1/2 inches | 3/4 inch |
| 2-3/4 inches | 1 inch |
| 3 inches | 1-1/4 inches |
| 3-1/4 inches | 1-1/2 inches |
| 3-1/2 inches | 1-3/4 inches |
| 4 inches | 2-1/4 inches |
| 4-1/2 inches | 2-3/4 inches |
| 5 inches | 3-1/4 inches |
| 5-1/2 inches | 3-3/4 inches |
Selecting Your Bolt
Measure bolt length from beneath the head to the tip. Choose a length that provides suitable thread engagement, allowing for the plain shank, joint thickness and any washers. Use with a matching 3/4-10 UNC nut or tapped hole.
Please note: Dimensions are provided as a guide and are subject to manufacturing tolerances. Please contact us before ordering if dimensions or grade certification are critical to your application.