the
Heavy Duty Bolt
The Heavy Duty Bolt, also known throughout the marketplace as the HD Bolt is a shorter efficient blind fixing which provides strength and performance. The HD Bolt is idea when in the shear plane overlaps the legs of a Blind Bolt.
The HD Bolt is the best possible solution when heavy weight steel sections are being fixed. No equipment other than a hammer and a spanner is needed in order to activate the unique pin locking mechanism. This simplicity and convenience is matched by high performance, meaning the Heavy Duty Bolt saves time and money throughout the installation process.
Heavy Duty Bolt Advantages:
- Easy and speedy installation
- No oversized hole required
- 1000 hours of salt spray protection provided by Zinc Flake 1000Hr SSP coating
- Brings increased efficiency to any assembly work
- Unique pin locking feature
Visit our News page to take a look at the innovative applications and new products which we develop in response to our clients’ requirements.
If you need Blind Bolt solutions for a planned or ongoing project then please use the contact details below to get in touch with us. We’ll be only too happy just how Blind Bolts could help to save you time and money.
For detailed information on installation, please view our Heavy Duty Bolt Installation guide, Heavy Duty Bolt Fitting Instructions.
HEAVY DUTY BOLT
Technical Details
NOTE: All dimensions are in mm unless stated otherwise.
The Blind Bolt Company reserve the right to change these technical details without notice.
Heavy Duty Product Specification Zinc Flake 1000Hr SSP
|
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| Product Code |
Bolt Size |
Hole Diameter | Fixing Thickness | Depth Clearance |
Corrosion Protection |
|
| Min | Max | |||||
| HD0845ZF | M8 x 45 | 8 | 7 | 25 | 10 | Zinc Flake 1000Hr SSP |
| HD1045ZF | M10 x 45 | 10 | 7 | 25 | 12 | Zinc Flake 1000Hr SSP |
| HD1060ZF | M10 x 60 | 10 | 7 | 40 | 12 | Zinc Flake 1000Hr SSP |
| HD1245ZF | M12 x 45 | 12 | 8 | 22 | 15 | Zinc Flake 1000Hr SSP |
| HD1260ZF | M12 x 60 | 12 | 8 | 34 | 15 | Zinc Flake 1000Hr SSP |
| HD1275ZF | M12 x 75 | 12 | 8 | 48 | 15 | Zinc Flake 1000Hr SSP |
| HD1660ZF | M16 x 60 | 16 | 12 | 30 | 25 | Zinc Flake 1000Hr SSP |
| HD1675ZF | M16 x 75 | 16 | 12 | 45 | 25 | Zinc Flake 1000Hr SSP |
| HD2070ZF | M20 x 70 | 20 | 15 | 32 | 30 | Zinc Flake 1000Hr SSP |
| HD2085ZF | M20 x 85 | 20 | 15 | 47 | 30 | Zinc Flake 1000Hr SSP |
Design Resistance for HD Type Blind Bolts Design to BS EN 1993-1-8
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| Bolt Size | Tensile (kN) | Single Shear (kN) | Recommended Pre-load Tightening Torque (Nm) |
| M8 |
8.5 |
13.6 | 20 |
| M10 | 25.2 | 21.9 | 35 |
| M12 | 46.4 | 32.2 | 45 |
| M16 | 57.5 | 60.8 | 95 |
| M20 | 77.5 | 95.5 | 120 |
Important Note
The above resistances are equally appropriate for designs to BS 5950
Stainless Steel HD Bolts
Heavy Duty Product Specification A4-70 STAINLESS STEEL |
|||||
| Product Code |
Bolt Size |
Hole Diameter | Fixing Thickness | Depth Clearance | |
| Min | Max | ||||
| HD0845SS | M8 x 45 | 8 | 7 | 25 | 10 |
| HD1045SS | M10 x 45 | 10 | 7 | 25 | 12 |
| HD1060SS | M10 x 60 | 10 | 7 | 40 | 12 |
| HD1245SS | M12 x 45 | 12 | 8 | 22 | 15 |
| HD1260SS | M12 x 60 | 12 | 8 | 37 | 15 |
| HD1660SS | M16 x 60 | 16 | 12 | 30 | 25 |
| HD2070SS | M20 x 70 | 20 | 15 | 32 | 30 |
Design Resistance for HD Type Blind Bolts
|
|||
| Bolt Size | Tensile (kN) | Shear (kN) | Recommended Pre-load Tightening Torque (Nm) |
| M8 |
10.5 |
11.5 | 18 |
| M10 | 20.2 | 18.4 | 24 |
| M12 | 31.4 | 27.1 | 30 |
| M16 | 40.1 | 51.1 | 45 |
| M20 | 68.7 | 80.2 | 80 |
Important Note
The above resistances are equally appropriate for designs to BS 5950
HEAVY DUTY BOLT
Testing Data Explained
Utilising the unique and innovative HD Bolt system effectively means being fully aware of the way in which the dimensions of the bolt are measured and classified.
These dimensions then play a vital role in meeting the criteria for successful application.
The details of these measurements are set out below and the menu above offers pictorial representations.
If you have any more enquiries regarding the fixing terms, contact us using the details given at the bottom of the page of by clicking here to send an email.
HEAVY DUTY BOLT
Fitting Instructions
The following videos visually represents the detailed installation of the Heavy Duty Bolt.
HD Bolt Installation Instruction
HD Bolt Installation Instruction (PDF Download)
