Product Description
3/8" UNC Grade 8 Yellow Zinc Hex Head Bolts – Part Threaded
3/8"-16 UNC Grade 8 high tensile steel hexagon head bolts with a yellow zinc plated finish. These part threaded bolts feature a plain shank beneath the head and a coarse imperial thread for use with matching nuts or tapped holes.
The hexagon head takes a 9/16" spanner or socket. Suitable for machinery, equipment maintenance and mechanical assemblies requiring a Grade 8 imperial fastener.
Specifications
| Thread size | 3/8"-16 UNC |
|---|---|
| Nominal diameter | 3/8" / 9.525mm |
| Thread type | Unified National Coarse, right hand |
| Threads per inch | 16 TPI |
| Material | High tensile steel |
| Strength grade | Grade 8 |
| Finish | Yellow zinc plated |
| Head style | Hexagon head |
| Spanner size | 9/16" across flats |
| Thread coverage | Part threaded with a plain shank |
| Listed threaded length | 1¼" / 31.75mm |
| Length measurement | Measured from beneath the head to the tip |
Listed Lengths
1½", 1⅝", 1¾", 2¼", 2½", 3", 3½", 3¾", 4", 4¼", 4½", 5" and 6".
Choose from the currently available lengths and pack quantities in the product options.
Key Features
- Grade 8 high tensile steel construction.
- 3/8"-16 UNC coarse imperial thread.
- Part threaded design with a plain shank.
- Yellow zinc plated finish for corrosion protection.
- Hexagon head for installation with a 9/16" spanner or socket.
Typical Applications
Suitable for machinery repairs, equipment assembly, brackets, frames and maintenance work where a 3/8" UNC Grade 8 part threaded bolt is specified.
Installation
Use matching 3/8"-16 UNC nuts or tapped holes, with nuts and washers suitable for the required joint strength. Check that the selected bolt length and plain shank suit the assembly and provide sufficient thread engagement.
Tighten using the torque specified for the joint, taking account of the plating, lubrication and mating materials.
Standards
- SAE J429 – Grade 8 mechanical properties.
- ASME B18.2.1 – imperial hexagon head fastener dimensions.
- ASME B1.1 – Unified inch screw threads.
