
Flange Bolts Information
| Fastener Type | Flange Bolts |
|---|---|
| Manufacturing Standard | ASME B18.2.1, ANSI B1.1, ASME B18.6.3, IS:1364, GB5783, UNI 5737, BS 3692 |
| Tolerance | 2A, 6H |
| Threads | UNF-3B, UNC, UNF, 8UN, UNJF-3A, NPT, NPTF, UNEF, UNS, BSW, Metric Fine, Metric Course, BSF |
| ISO Standard | ISO 4032, ISO 4017, ISO 4014, ISO 7380, ISO 4033 |
| DIN Standard | DIN 934, DIN 933, DIN 931, DIN 912, DIN 970, DIN 6923, DIN 603, DIN 916, DIN 7982, DIN 7981, DIN 7985, DIN 913 |
| Coating | Ptfe, Black Oxide, Zinc, Xylon, Teflon |
Metric and serrated flange bolt suppliers in UAE

Metric Sizes: M2 – M152, 3/8″ – 8″
Heads: Round, Square, Hex Flange, Hex, Triangular, Flat, T-head
Make: Fischer, UNBRAKO, TVS, Sundaram, VIF, PFL, DFL, BOSSARD, LPS, BOLTMASTER
Drive Type : Hex Socket, Square Slot, Torx, Slotted, Phil
100% Tested Flange Bolts with MTC EN 10204/3.1
Buy Directly from Flange Bolts suppliers in UAE
What Size Is A Hex Head Flange Bolt ?
- The Size for Hex Head Flange Bolt is From Upto 1/4″ To 1 1/4″
Hex head and automotive flange bolts for a automobile and chemical industries
Serrated Flange Bolt Proof Load Chart
| Flange Bolt Diameter | Head/Wrench Sizes (mm) | |
|---|---|---|
| DIN 6921 | JIS B1189 | |
| M20 | 27 | – |
| M16 | 21 | – |
| M14 | 18 | – |
| M12 | 16 | – |
| M10 | 15 | 14 |
| M8 | 13 | 12 |
| M6 | 10 | 10 |
| M5 | 8 | – |
Where Can You Use A Hex Flange Bolt ?
Metric Flange Bolts Testing Equipments & Tool
- Smooth Plug Gauged
- Micro-Meter
- Coordinate Measuring Machine
- Threaded Gauge
- Imaged Measuring Instrument
- Routine Inspection of Caliper
- Roughness Testing
Flange head bolt and hexagon flange bolt are available at 1/4 to 24 inches

Flange Bolt

Metric Flange Bolts

Serrated Flange Bolt

Hex Head Flange Bolt

Hex Flange Bolt

Flange Head Bolt

Automotive Flange Bolts

Hexagon Flange Bolt

Black Flange Bolts

Pipe Flange Bolts
How Do You Torque A Serrated Flange Bolt ?
Get Quick Quote from leading Automotive Flange Bolts Suppliers In UAE & Sharjah
- Inspection & Clean flange faces, gasket & bolts
- Confirmation of correct bolt grade & size
- Not lubricating serrate flange bolt
- Tighten Using criss cross pattern
- multiple passes Torque
- Hand Tighten all bolt first
- Performs final checking that ensure even torque
- Uses an calibrated torque wrench
See Where You Can Find Material Ex Stock
| Country | Cities |
|---|---|
| Netherlands | The Hague |
| Belgium | Meeuwen-Gruitrode |
| Netherlands | Amsterdam |
| Belgium | Antwerp |
| Netherlands | Haarlem |
| Belgium | Brussels |
| Belgium | Seraing |
| Belgium | Ghent |
| Belgium | Leuven |
| Netherlands | Eindhoven |
| Belgium | Westerlo |
| Netherlands | Rotterdam |
Size Chart for Hex Flange Bolt
| Bolt Sizes (Mteric x mm) | Hole Size | Diameter Nominal |
|---|---|---|
| 24 X 90 | 20 | 500 |
| 24 X 85 | 16 | 400 |
| 20 X 85 | 12 | 300 |
| 20 X 85 | 12 | 250 |
| 20 X 80 | 8 | 200 |
| 20 X 75 | 8 | 150 |
| 16 X 65 | 8 | 100 |
| 16 X 65 | 4 | 80 |
| 16 X 60 | 4 | 50 |
| 16 X 60 | 4 | 40 |
| 12 X 50 | 4 | 20 |
| 12 X 50 | 4 | 10 |
Check dimensions, standard, torque chart and specifications of black flange bolts

| Nominal Sizes (Inches) | Length of Thread (LT) | Diameter (B) | Flats Width (F) | Wrench Height | Diameter of Body (E) | Height of Head (H) | Thickness (U) | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | Max | Min | Max | (K) Min. | Min | Max | Min | Max | Min | Max | ||
| M16 | 38 | 23.62 | 23.92 | 15.92 | 16.05 | 8.53 | 15.68 | 16 | 15.73 | 16 | 6.83 | 7.20 |
| M14 | 34 | 20.67 | 20.95 | 13.92 | 14.05 | 7.43 | 13.68 | 14 | 13.73 | 14 | 5.93 | 6.30 |
| M12 | 30 | 17.67 | 17.95 | 11.93 | 12.05 | 6.33 | 11.70 | 12 | 11.73 | 12 | 5.03 | 5.40 |
| M10 | 26 | 15.69 | 15.95 | 9.93 | 10.05 | 5.28 | 9.73 | 10 | 9.78 | 10 | 4.13 | 4.50 |
| M8 | 22 | 12.72 | 12.95 | 7.95 | 8.05 | 4.18 | 7.76 | 8 | 7.78 | 8 | 3.35 | 3.60 |
| M6 | 18 | 9.77 | 9.95 | 5.95 | 6.05 | 3.12 | 5.79 | 6 | 5.82 | 6 | 2.45 | 2.70 |
Call Now for the Clients List Based in Below Locations
| Middle East countries | Qatar, Lebanon, Bahrain, Saudi, Kuwait, UAE, Jordan, Iraq, Syria, Iran, Yemen |
|---|---|
| Africa | Nigeria, South Africa, Kenya, Morocco, Egypt, Tunisia, Algeria |
| MENA | Morocco, Libya, Algeria, Tunisia, Egypt, Israel, Palestine |
Standards of Hexagon Flange Bolt
- BS 1769
- ASME B18.2.1
- DIN 6914
- ASME B18.2.3.7M
- DIN-EN 14399-4
- ASME B18.2.3.6M
- UNI 5712
- ISO 7412
Pipe Flange Bolts Torque Chart
| Bolt Diameter | Nominal Sizes (Inch) | Torque in lbs (Min. – Max.) |
|---|---|---|
| 5/8 | 4 | 100 – 110 |
| 5/8 | 3 1/2 | 80 – 90 |
| 5/8 | 3 | 110 – 120 |
| 5/8 | 2 1/2 | 80 – 90 |
| 5/8 | 2 | 80 – 90 |
| 1/2 | 1 1/2 | 40 – 50 |
| 1/2 | 1 | 40 – 50 |
| 1/2 | 3/4 | 40 – 50 |
| 1/2 | 1/2 | 40 – 50 |
View advantages and disadvantages of pipe and button head flange bolt as per DIN 6921, EN 1665 and ISO 4162 standard
Advantages And Disadvantages Of Metric Flange Bolts
Why you Should Choose the Hex Flange Bolts ?
- Washer Elimination
- Reduce Loosening
- Distribution of Load
- Enhance Load Bearing
- Improvement in Joint Integrity
- Durable
- Time Saving
Get First Delivery in Ras Al Khaimah, Fujairah & Abu Dhabi Contact top 10 Flange Fasteners Suppliers in Dubai

Material Inspection Facility in Following Locations
| City | Region | Country |
|---|---|---|
| Dubai | Middle East | United Arab Emirates |
| Abu Dhabi | Middle East | United Arab Emirates |
| Dammam | Middle East | Saudi Arabia |
| Riyadh | Middle East | Saudi Arabia |
| Doha | Middle East | Qatar |
| Abuja | Africa | Nigeria |
| Kuwait City | Middle East | Kuwait |
| Jeddah | Middle East | Saudi Arabia |
| Cairo | MENA | Egypt |
| Casablanca | MENA | Morocco |
| Johannesburg | Africa | South Africa |
| Cape Town | Africa | South Africa |
| Lagos | Africa | Nigeria |
Weight Chart of Hex Head Flange Bolt
| Metric Sizes | Weight in Kg (per 1000 Piece’s) |
|---|---|
| M16 | 83.82 |
| M14 | 66.13 |
| M12 | 44.35 |
| M10 | 24.04 |
| M8 | 13.76 |
| M6 | 6.94 |
| M5 | 3.22 |
Does Flange Bolt Comes Full Threaded ?
- No, Bolts are not full threaded
- Both Full thread & partial thread version exists
- Pick full threaded for thin stacks & max engagement
- Choose partial thread when an shoulder is need
Explore Nearby Locations for the Quickest Delivery Options
| Muscat | Riyadh | Dubai | Ras Al Khaimah |
|---|---|---|---|
| Sharjah | Fujairah | Umm Al Quwain | Doha |
| Saudi Arabia | Al Jubail | Abu Dhabi | Ajman |
Flange Bolts Various Materials
Flange Bolts Delivered Monthly to the Following Countries
| Sharjah | Abu Dhabi |
| Fujairah | Umm Al Quwain |
| Ajman | Dubai |


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