| Threads Per Inch: | 28 |
| Grade: | Grade S |
| Bolts Diameter: | 1/4" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 1" |
| Spanner Size: | 7/16" |
| Tapping Drill Size: | 5.5mm |

A hexagon bolt, or hex bolt to give it its more common name, is a threaded bolt with a plain shank and hexagon shaped head.
UNF stands for Unified National Fine. It is a common imperial thread type with more threads per axial distance than its UNC equivalent.
A BZP or bright zinc plated fastener is one which has a thin coating of zinc added during production. This protective coating adds durability by protecting the product against rust or oxidisation.
| Threads Per Inch: | 28 |
| Grade: | Grade S |
| Bolts Diameter: | 1/4" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 1" |
| Spanner Size: | 7/16" |
| Tapping Drill Size: | 5.5mm |
Code: HBUFZP0250150
| Threads Per Inch: | 28 |
| Grade: | Grade S |
| Bolts Diameter: | 1/4" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 1 1/2" |
| Spanner Size: | 7/16" |
| Tapping Drill Size: | 5.5mm |
Code: HBUFZP0250150200
| Threads Per Inch: | 28 |
| Grade: | Grade S |
| Bolts Diameter: | 1/4" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 1 1/2" |
| Spanner Size: | 7/16" |
| Tapping Drill Size: | 5.5mm |
Code: HBUFZP0250175
| Threads Per Inch: | 28 |
| Grade: | Grade S |
| Bolts Diameter: | 1/4" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 1 3/4" |
| Spanner Size: | 7/16" |
| Tapping Drill Size: | 5.5mm |
Code: HBUFZP0250175200
| Threads Per Inch: | 28 |
| Grade: | Grade S |
| Bolts Diameter: | 1/4" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 1 3/4" |
| Spanner Size: | 7/16" |
| Tapping Drill Size: | 5.5mm |
| Threads Per Inch: | 28 |
| Grade: | Grade S |
| Bolts Diameter: | 1/4" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 2" |
| Spanner Size: | 7/16" |
| Tapping Drill Size: | 5.5mm |
Code: HBUFZP0250225
| Threads Per Inch: | 28 |
| Grade: | Grade S |
| Bolts Diameter: | 1/4" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 2 1/4" |
| Spanner Size: | 7/16" |
| Tapping Drill Size: | 5.5mm |
Code: HBUFZP0250250
| Threads Per Inch: | 28 |
| Grade: | Grade S |
| Bolts Diameter: | 1/4" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 2 1/2" |
| Spanner Size: | 7/16" |
| Tapping Drill Size: | 5.5mm |
Code: HBUFZP0250250200
| Threads Per Inch: | 28 |
| Grade: | Grade S |
| Bolts Diameter: | 1/4" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 2 1/2" |
| Spanner Size: | 7/16" |
| Tapping Drill Size: | 5.5mm |
Code: HBUFZP0250275
| Threads Per Inch: | 28 |
| Grade: | Grade S |
| Bolts Diameter: | 1/4" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 2 3/4" |
| Spanner Size: | 7/16" |
| Tapping Drill Size: | 5.5mm |
| Threads Per Inch: | 28 |
| Grade: | Grade S |
| Bolts Diameter: | 1/4" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 3" |
| Spanner Size: | 7/16" |
| Tapping Drill Size: | 5.5mm |
Code: HBUFZP0250300200
| Threads Per Inch: | 28 |
| Grade: | Grade S |
| Bolts Diameter: | 1/4" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 3" |
| Spanner Size: | 7/16" |
| Tapping Drill Size: | 5.5mm |
| Threads Per Inch: | 28 |
| Grade: | Grade S |
| Bolts Diameter: | 1/4" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 4 1/2" |
| Spanner Size: | 7/16" |
| Tapping Drill Size: | 5.5mm |
Code: HBUFZP0310150
| Grade: | Grade S |
| Bolts Diameter: | 5/16" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 1 1/2" |
| Spanner Size: | 1/2" |
Code: HBUFZP0310200
| Grade: | Grade S |
| Bolts Diameter: | 5/16" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 2" |
| Spanner Size: | 1/2" |
Code: HBUFZP0310225
| Threads Per Inch: | 24 |
| Grade: | Grade S |
| Bolts Diameter: | 5/16" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 2 1/4" |
| Spanner Size: | 1/2" |
| Tapping Drill Size: | 6.9mm |
Code: HBUFZP0310250
| Threads Per Inch: | 24 |
| Grade: | Grade S |
| Bolts Diameter: | 5/16" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 2 1/2" |
| Spanner Size: | 1/2" |
| Tapping Drill Size: | 6.9mm |
Code: HBUFZP0310275
| Threads Per Inch: | 24 |
| Grade: | Grade S |
| Bolts Diameter: | 5/16" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 2 3/4" |
| Spanner Size: | 1/2" |
| Tapping Drill Size: | 6.9mm |
| Threads Per Inch: | 24 |
| Grade: | Grade S |
| Bolts Diameter: | 5/16" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 3" |
| Spanner Size: | 1/2" |
| Tapping Drill Size: | 6.9mm |
Code: HBUFZP0310300200
| Threads Per Inch: | 24 |
| Grade: | Grade S |
| Bolts Diameter: | 5/16" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 3" |
| Spanner Size: | 1/2" |
| Tapping Drill Size: | 6.9mm |
Code: HBUFZP0310350
| Threads Per Inch: | 24 |
| Grade: | Grade S |
| Bolts Diameter: | 5/16" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 3 1/2" |
| Spanner Size: | 1/2" |
| Tapping Drill Size: | 6.9mm |
Code: HBUFZP0310350100
| Threads Per Inch: | 24 |
| Grade: | Grade S |
| Bolts Diameter: | 5/16" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 3 1/2" |
| Spanner Size: | 1/2" |
| Tapping Drill Size: | 6.9mm |
Code: HBUFZP0370150
| Threads Per Inch: | 24 |
| Grade: | Grade S |
| Bolts Diameter: | 3/8" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 1 1/2" |
| Spanner Size: | 9/16" |
| Tapping Drill Size: | 8.5mm |
Code: HBUFZP0370150100
| Threads Per Inch: | 24 |
| Grade: | Grade S |
| Bolts Diameter: | 3/8" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 1 1/2" |
| Spanner Size: | 9/16" |
| Tapping Drill Size: | 8.5mm |
Code: HBUFZP0370175
| Threads Per Inch: | 24 |
| Grade: | Grade S |
| Bolts Diameter: | 3/8" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 1 3/4" |
| Spanner Size: | 9/16" |
| Tapping Drill Size: | 8.5mm |
| Grade: | Grade S |
| Bolts Diameter: | 3/8" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 2" |
| Spanner Size: | 9/16" |
Code: HBUFZP0370250
| Threads Per Inch: | 24 |
| Grade: | Grade S |
| Bolts Diameter: | 3/8" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 2 1/2" |
| Spanner Size: | 9/16" |
| Tapping Drill Size: | 8.5mm |
Code: HBUFZP0370250100
| Threads Per Inch: | 24 |
| Grade: | Grade S |
| Bolts Diameter: | 3/8" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 2 1/2" |
| Spanner Size: | 9/16" |
| Tapping Drill Size: | 8.5mm |
| Threads Per Inch: | 24 |
| Grade: | Grade S |
| Bolts Diameter: | 3/8" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 3" |
| Spanner Size: | 9/16" |
| Tapping Drill Size: | 8.5mm |
Code: HBUFZP0370350
| Threads Per Inch: | 24 |
| Grade: | Grade S |
| Bolts Diameter: | 3/8" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 3 1/2" |
| Spanner Size: | 9/16" |
| Tapping Drill Size: | 8.5mm |
Code: HBUFZP0370400
| Threads Per Inch: | 24 |
| Grade: | Grade S |
| Bolts Diameter: | 3/8" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 4" |
| Spanner Size: | 9/16" |
| Tapping Drill Size: | 8.5mm |
Code: HBUFZP0370400100
| Threads Per Inch: | 24 |
| Grade: | Grade S |
| Bolts Diameter: | 3/8" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 4" |
| Spanner Size: | 9/16" |
| Tapping Drill Size: | 8.5mm |
Code: HBUFZP0370450
| Threads Per Inch: | 24 |
| Grade: | Grade S |
| Bolts Diameter: | 3/8" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 4 1/2" |
| Spanner Size: | 9/16" |
| Tapping Drill Size: | 8.5mm |
| Threads Per Inch: | 24 |
| Grade: | Grade S |
| Bolts Diameter: | 3/8" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 5" |
| Spanner Size: | 9/16" |
| Tapping Drill Size: | 8.5mm |
Code: HBUFZP0430150
| Threads Per Inch: | 20 |
| Grade: | Grade S |
| Bolts Diameter: | 7/16" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 1 1/2" |
| Spanner Size: | 5/8" |
| Tapping Drill Size: | 9.9mm |
| Threads Per Inch: | 20 |
| Grade: | Grade S |
| Bolts Diameter: | 7/16" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 2" |
| Spanner Size: | 5/8" |
| Tapping Drill Size: | 9.9mm |
Code: HBUFZP0430200100
| Threads Per Inch: | 20 |
| Grade: | Grade S |
| Bolts Diameter: | 7/16" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 2" |
| Spanner Size: | 5/8" |
| Tapping Drill Size: | 9.9mm |
Code: HBUFZP0430225
| Grade: | Grade S |
| Bolts Diameter: | 7/16" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 2 1/4" |
| Spanner Size: | 5/8" |
Code: HBUFZP0430250
| Threads Per Inch: | 20 |
| Grade: | Grade S |
| Bolts Diameter: | 7/16" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 2 1/2" |
| Spanner Size: | 5/8" |
| Tapping Drill Size: | 9.9mm |
Code: HBUFZP043025050
| Threads Per Inch: | 20 |
| Grade: | Grade S |
| Bolts Diameter: | 7/16" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 2 1/2" |
| Spanner Size: | 5/8" |
| Tapping Drill Size: | 9.9mm |
| Grade: | Grade S |
| Bolts Diameter: | 7/16" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 3" |
| Spanner Size: | 5/8" |
| Threads Per Inch: | 20 |
| Grade: | Grade S |
| Bolts Diameter: | 7/16" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 4" |
| Spanner Size: | 5/8" |
| Tapping Drill Size: | 9.9mm |
Code: HBUFZP043040050
| Threads Per Inch: | 20 |
| Grade: | Grade S |
| Bolts Diameter: | 7/16" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 4" |
| Spanner Size: | 5/8" |
| Tapping Drill Size: | 9.9mm |
| Threads Per Inch: | 20 |
| Grade: | Grade S |
| Bolts Diameter: | 1/2" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 3" |
| Spanner Size: | 3/4" |
| Tapping Drill Size: | 11.5mm |
| Threads Per Inch: | 20 |
| Grade: | Grade S |
| Bolts Diameter: | 1/2" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 3" |
| Spanner Size: | 3/4" |
| Tapping Drill Size: | 11.5mm |
Code: HBUFZP0500350
| Grade: | Grade S |
| Bolts Diameter: | 1/2" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 3 1/2" |
| Spanner Size: | 3/4" |
| Threads Per Inch: | 20 |
| Grade: | Grade S |
| Bolts Diameter: | 1/2" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 4" |
| Spanner Size: | 3/4" |
| Tapping Drill Size: | 11.5mm |
| Threads Per Inch: | 20 |
| Grade: | Grade S |
| Bolts Diameter: | 1/2" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 4" |
| Spanner Size: | 3/4" |
| Tapping Drill Size: | 11.5mm |
| Threads Per Inch: | 20 |
| Grade: | Grade S |
| Bolts Diameter: | 1/2" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 8" |
| Spanner Size: | 3/4" |
| Tapping Drill Size: | 11.5mm |
| Threads Per Inch: | 18 |
| Grade: | Grade S |
| Bolts Diameter: | 5/8" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 2 1/2" |
| Spanner Size: | 15/16" |
| Tapping Drill Size: | 14.5mm |
Code: HBUFZP062025025
| Threads Per Inch: | 18 |
| Grade: | Grade S |
| Bolts Diameter: | 5/8" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 2 1/2" |
| Spanner Size: | 15/16" |
| Tapping Drill Size: | 14.5mm |
| Threads Per Inch: | 18 |
| Grade: | Grade S |
| Bolts Diameter: | 5/8" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 3" |
| Spanner Size: | 15/16" |
| Tapping Drill Size: | 14.5mm |
| Threads Per Inch: | 18 |
| Grade: | Grade S |
| Bolts Diameter: | 5/8" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 6" |
| Spanner Size: | 15/16" |
| Tapping Drill Size: | 14.5mm |
Code: HBUFZP0750250
| Grade: | Grade S |
| Bolts Diameter: | 3/4" |
| Bolts Material: | Steel |
| Finish: | Bright Zinc Plated and Clear Passivation |
| Head Type: | Hex Head |
| Thread Type: | Imperial - UNF |
| Length Under Head: | 2 1/2" |
| Spanner Size: | 1 1/8" |





