Hydrobolt Ltd produces bespoke fasteners for specialist applications, manufacturing to specific International Standards. Hydrobolt Ltd also offers an across the board product range; producing hundreds of components in a variety of materials, sizes, coatings and finishings, as well as in accordance with special customer requirements.

Our products are used in a wide range of applications where corrosion, creep, heat resistance and strength are often vital. Therefore, it is imperative that our products fully conform to the requirements of our customers. Our extensive, fully certified raw material stocks ensure that the correct material is readily available to meet your urgent demands, regardless of size or grade.




Standard Hydrobolt items are listed in the Table below and are available in the following size range:

  METRIC: M3 to M180-ISO threading
  IMPERIAL: 3/16" to 7" threading to UNC, 8UN, BSW, UNF and BSF.

Type of Product
Product Description
Bolts & Screws
Hexagonal Square head Normal & heavy series to the following standards:

ANSI B18.2.1, BS: 1083, 1768, 3692, DIN 931, 933, 960 and 961.
Socket or Slotted Head Cap Screws & Engineers Studs
Socket Head Cap Screw according to ANSI B18.3, BS: 2470, 4168, DIN 912, 913, 914, 915, 916 6912

Engineers studs Engineers Studs according to DIN 835, 938, 939, 940, BS4882
Nuts
Hexagonal
Self-locking
Bi-hexagonal 12 point
Normal & heavy series according to ANSI B.18.2.2. BS: 1083, 1768, 1769, 3692, DIN 934, 2510, 6915.
Washers
Flat
Tab
Spring/lock according to NFE, BS, DIN, ANSI

In addition, we are able to manufacture unique, non-standard items.

Such products include a comprehensive range of hot forged and bar turned fasteners and special components including:
  • Hex Head Bolts and Setscrews
  • Tie Rods
  • 12-Point (ferry head) products
  • Special head forms
  • High precision turned parts
  • Repetition turned part
We are at your service to meet your specific requirements on a breakdown basis when required.



Our range of material grades is extensive. Hydrobolt Ltd produces components from certified material, including:

Raw Material
Carbon & Alloy Steel:

Mild Steel
080M40 (EN8)
605M63 (EN16)
708M40 (EN19)
817M40 (EN24)
826M40 (EN26)
B7, B5, B16, B16A
BS 4882
*DUREHETE
900/950/1055
*JETHETE X19
*ESSHETE 1250
42CrMo4
24CrMo5
21CrMoV57

Stainless Steel:

303/304 (18-8/A2)/
316 (A4)
A2 & A4 - 50/70/80
321/310/347
410/416/420/431/422
B8/B8M/B8T
B8X/B8MX/B8TX
B8/B8M/B8T - Class 2
B8C
B6
C3-80
17-4 PH
FV520B
*Nitronic 50/60
904L

Super Alloys & Duplex Steel:

* Monel 400
* Monel K500
* Inconel, 600/601/625/718
* Incoloy 800/800HT/825/925
* Hastelloy B2/C41C22/C276
* Ferralium 255 (UNS32550)
* UNS S32760
* Zeron 100
* 254SMO (UNSS31254)
UNS-S31803
A453 660 A&B
NIMONIC 75/80A/90
Titanium Alloys
     >> Carpenter 20
     >> Tantalum

Non-Ferrous:

Aluminium Bronze
Silicon Aluminium Bronze
Phosphor Bronze
Manganese Bronze
Brass
Naval Brass
Copper
Cupro Nickel 70/30
Cupro Nickel 90/10
* Hiduron 191
* Marinel
Aluminium
Plastics
Nylon
PTFE


* Registered Trademark

Service:

Short lead times on deliveries of bar ends/off cuts. Please contact your account manager.

Finished & Semi-Finished Products
  Materials Grades
Hexagon Bolts ASTM A193 B7, L7, B16
Hexagonal Bolt Blanks ASTM A193 B7, L7
Studding ASTM A193 B7, L7, B16, B8, B8M, UNS 32760, 660
Hex Nuts ASTM A194 2H, 4, 7, 8, 8A, 8M, 8T, 8C, UNS 32760, 660
Socket Cap Screw ASTM A193 B7, L7
Socket Cap Screw Blanks ASTM A193 B7, L7
Bi-hex 12pt/Sets/Blanks ASTM A193 B7, L7
Bi-Hex Nuts (12 PT) ASTM A194 2H

Stock:

All stock is fully traceable and comprises alloy & stainless steels, nickel alloys, duplex, non-ferrous and high temperature materials. Having the material in stock enables Hydrobolt Ltd to provide an immediate response for the manufacture of products required for quick delivery or for 'Breakdown' situations.



Customers' fasteners typically need to be protected to improve the anti-corrosion properties. At Hydrobolt Limited, almost all types of coatings are available including electrolytic and chemical coatings; the table gives further details.


Electrolytic Coatings
Chemical & Other Coatings
Zinc Plating
Nickel Plating
Chromium Plating
Copper Plating
Aluminium Plating
Cadmium Plating
Sherardizing Plating
Mn/Zn Phosphating
Electroless Nickel Plating
Hot Dip Galvanizing
*Dacromet
Molybdenum Disulphide
*Xylar - Xylar Xylan
*Stanal 400

* Registered Trademark



Hydrobolt Ltd aims to deliver ultimate customer satisfaction, by supporting its manufacturing facilities with a range of related services:

One Off & On-Going Products: Hydrobolt Ltd can offer one off products and also provide on going support for regular items.

Kitting Facilities: Enabling us to manufacture a "kit" of fixings, in a range of sizes and materials, to supply your overall project and maintenance needs.

Breakdown Service/Emergency: To support urgent needs, Hydrobolt offers a 24/7 breakdown service to help keep your downtime to a minimum in crisis situations, with out of hours contact numbers available on request.

Dedicated Stocks: Some customers buy the same non-standard fasteners on a regular basis. Therefore, we can keep dedicated stock of finished or semi-finished fasteners, so that product is readily available to satisfy urgent needs.

Delivery On Call-Off Programmes: Our call-off order service will ensure that your products are delivered to you promptly on a regular basis, as requested, to support your on-going project needs. Given a covering order we can manufacture parts and hold as stock for you to facilitate this.

Quality Documents On CD-ROM Upon Request: All your quality documents can be supplied on CD-ROM if requested at the enquiry stage.



Hydrobolt Ltd is able to offer bolt-tightening equipment as part of our "Total" Bolting Service.

BOLT TORQUING - hydraulic & manual tools:
  • For Sale
  • For Hire
  • Calibration
HYDRAULIC BOLT TENSIONERS & HYDRAULIC NUTS - engineering, design and manufacture:
  • For Sale
  • For Hire
  • Refurbishment - tools collected for overhaul
A hydraulic tensioning tool comprises one Hydraulic Cylinder, one Puller, one Bridge and one Socket. A Hydraulic Cylinder can be adapted to suit other sizes by adding a Puller and a Socket. Others may require a Puller, a Bridge and a Socket.

To use multiple tools for simultaneous operation requires: one Pump, one 5m Link Pipe to connect between the Tool and the Pump. Hand Pumps are not suitable for simultaneously operating tools.

As a flexible company, Hydrobolt Limited can offer the personal touch
adapting to the exclusive demands of our customers.


 

Hydrobolt Ltd, Global Service Centre, Monmore Business Park, Dixon Street, Wolverhampton, WV2 2EE Tel: +44 (0)1902 878 000 Fax: +44 (0)1902 878 001
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