whats-app
  • 1/B, Ground Floor, Siddhi Apartment,
    10th Khetwadi Back Road, Mumbai 400 004

Hot Dip Galvanized Bolts

Carbon Steel Fasteners
  • Sizes in Stock: M6 To M120
  • Benefits : High Strength
  • Suitable for : Heavy-Duty Applications
  • Material : Galvanized Iron
  • Environment : Corrosive Environment
  • Commonly Specified : ASTM A153 & ASTM B695
  • Performance Grade : 4.8, 6.8, 8.8, 10.9 and 12.9
  • Galvanized Bolts Standard : DIN 933 & DIN 931
  • Corrosion : Wear Resistance
  • Service Life : 22 to 30 Years

What to Consider When Comparing Hdg Bolt for Structural Steel Applications ?


  • Temperature Resistance
  • Ductility
  • Brittleness
  • Durability & Longevity
  • Corrosion Resistance
  • Hardenability
  • Reusability
  • Weight
  • Tensile Strength
  • Malleability

Buy HDG Screws for Structural Steel Applications



Ready to Export in March 23, 2025


Air Products and Chemicals, Inc.

Air Products and Chemicals, Inc.

PTT Global Chemical Public Company Limited

PTT Global Chemical Public Company Limited

Hot Dip Galvanized Bolts Specification


 Size In Ready Stock

Size In Ready Stock

  • Nut Size = M2 To M80
  • Screw Size = M1.2 To M48
  • Bolts Size : M1.2 To M120
  • Washer Size = M2 To M24
  • Stud Size = M4 To M100
Hot Dipped Flange Bolts Head Style

Hot Dipped Flange Bolts Head Style

  • Truss head
  • Button head
  • Flat head
  • Hex head
  • Round head
Neck Type of Galvanized Heavy Hex Bolts

Neck Type of Galvanized Heavy Hex Bolts

  • Hex Neck
  • Square Neck
  • Triangular Neck
  • Knurled Neck
Threads Types of Galvanized Structural Bolts

Threads Types of Galvanized Structural Bolts

  • UN
  • UNF
  • BSW
  • CBSF
  Head Drive of Hot Dipped Galvanized J Bolts

Head Drive of Hot Dipped Galvanized J Bolts

  • Phillips
  • Phillips/Slot
  • Six-Lobe
  • Slotted
Hot Dip Galvanized Bolts and Nuts Ends Types

Hot Dip Galvanized Bolts and Nuts Ends Types

  • Sheared
  • Chamfered
  • Flat or Saw cut
  • Rounded
Zing Coated Galvanized Threaded Rod

Zing Coated Galvanized Threaded Rod

  • Threads : Left and Right Hand, Both Side
  • Condition : Threading or Cold Drawn
Hot Dip Galvanized Stud Bolt

Hot Dip Galvanized Stud Bolt

  • Threads : Double End, Fully or Fine Threaded
  • End Types : Rounded, Flat and Saw Cut
Hot Dipped Galvanized Screws

Hot Dipped Galvanized Screws

  • Threads Pitch : Coarse & Fine
  • Head Shape : Pan, Round, Button
HDG Self Locking Washers

HDG Self Locking Washers

  • Thickness : 0.002" to ½"
  • Forms : A, D, C, G, B, E
  Manufacturing Techniques

Manufacturing Techniques

  • Cold forging
  • CNC Machine
  • Hot forging
Benefits

Benefits

  • Longer Service Life
  • Longer Durability Of The Coating
  • Hot-dip Galvanizing Standards
 Testing Methods

Testing Methods

  • Mechanical Testing
  • X-Ray Testing
  • Hardness Testing
Application

Application

  • Railways
  • Large Power Towers
  • Ship Building
Packagings

Packagings

  • Wooden Cases
  • Custom
  • Carton Box
Origin of Raw Material

Origin of Raw Material

  • German
  • Janpanese
  • European


Hot Dipped Threaded Rod Manufacturer in India as per German Sourced Raw Material

What Makes The Galvanized Coating A Best Choice For Heavy Duty Applications ?


  • Hardness
  • Temperature Range
  • Paintable
  • Applicability
  • Suitability
  • Cathodic Protection
  • Bond Strength
  • Coating Thickness
  • Complete & Consistent Coverage

Benefits Of Hot Dipped Bolts


Benefits Of Hot Dipped Bolts

Galvanizing Process For HDG Bolt


Preparation & Cleaning

Preparation & Cleaning

Hot-Dip Galvanizing

Hot-Dip Galvanizing

Inspection & Packaging

Inspection & Packaging


Galvanized Anchor Bolt Price List


Sizes Pkg Price in Dolar (USD) Price in Saudi Riyal (Saudi Arabia)
1/2"x10" 50 $338.5 SAR 1269.73
3/4"x12" 50 $499.5 SAR 1873.64
1/2"x12" 50 $360.5 SAR 1352.25
5/8"x12" 50 $444 SAR 1665.46
1"x15" 50 $908.5 SAR 3407.82
7/8"x15" 50 $743.5 SAR 2788.89
3/4"x15" 50 $560.5 SAR 2102.46
5/8"x15" 50 $467 SAR 1751.73
1/2"x15" 50 $389.48 SAR 1460.95
1-1/4"x18" 50 $1,437 SAR 5390.24
1"x18" 50 $974 SAR 3653.51
7/8"x18" 50 $806 SAR 3023.33

Galvanized Carriage Bolts Price List


Sizes Pkg Price in Dolar (USD) Price in Dirham (UAE)
1/4-20 x 3/4" 50 $19.28 AED 70.82
5/16-18 x 1" 50 $17.99 AED 66.08
3/8-16 x 1-1/2" 25 $17.69 AED 64.98
1/2-13 x 2-1/2" 25 $30.33 AED 111.40
5/8-11 x 3-1/2" 10 $23.63 AED 86.79
3/4-10 x 4" 5 $22.44 AED 82.42

Hot Dipped Galvanized Machine Screw Price List


Size Pkg Price in Dolar (USD) Price in Kenyan Shilling (Kenya)
3/4-10 X 1-3/4" 100 $2,393 KES 309247.39
3/4-10 X 1-1/2" 100 $379 KES 48978.17
8-32 X 2 100 $7 KES 904.61
1/2-13 X 1-1/4" 100 $168 KES 21710.64
1/2-13 X 5" 100 $178 KES 23002.94
5/8-11 X 1-3/4" 100 $167 KES 21581.41
5/8-11 X 2-1/2" 100 $184 KES 23778.32
5/8-11 X 1-1/2" 100 $45 KES 5815.35
1/2-13 X 2-1/4" 100 $41.5 KES 5363.05
3/4-10 X 2-1/4" 100 $145 KES 18738.35
7/8-9 X 3-1/2" 100 $1,513 KES 195524.99
7/8-9 X 3" 100 $14.85 KES 1919.07

Purchase Hot Dipped Nuts for Heavy Duty Applications, Check Torque and Thickness


Hot Dip Galvanized Bolt Torque


Bolt Sizes TPI Tightening Torque Range (ft lbs) (Min - Max) Tension
Plain Galv+Waxed Maximum Minimum
1⁄2 13 100 - 117 50 - 58 14,000 12,000
1 8 850 - 1,017 425 - 508 61,000 51,000
3⁄4 10 350 - 425 175 - 213 34,000 28,000
5⁄8 11 198 - 240 99 - 120 23,000 19,000
7⁄8 9 569 - 685 284 - 343 47,000 39,000
11⁄2 6 2,950 - 3,575 1,475 - 1,788 143,000 118,000
11⁄4 7 1,687 - 2,042 844 - 1,021 98,000 81,000
11⁄8 7 1,200 - 1,444 600 - 722 77,000 64,000
13⁄8 6 2,223 - 2,681 1,111 - 1,341 117,000 97,000

Hot Dipped Screws Thickness As per Galvanized Layer


Thickness Layer of Hot Dipped Galvanized Screws is 5-8 Microns (M6 to M10) and ≥ 54μm (M12-M48)


Can Hot Dipped Galvanized Threaded Rod Be Used For Outdoor Applications?


Yes, Galvanized Threaded Rod Have Excellent Corrosion-resistant Properties for Outdoor Applications.


Processing Technology Of Hot Dipped Galvanized Screws


Processing Technology Of Hot Dipped Galvanized Screws

Shear Capacities Of Hot Dipped Galvanized Metric Bolts


Bolt Sizes Shear Values for (Single Shear)
Threads Excluded From Shear Plane Threads Included in Shear Plane
M36 202 151
M30 140 103
M24 89.7 64.3
M20 62.3 44.6
M16 39.9 28.6
M12 22.4 15.1

Proof Loads For Hot Dip Galvanized Nuts


Threads Proof Load in (kN) Tensile Stress Area for Threaded Test Mandrel, as (Mm2 )
M36 951 817
M30 653 561
M27 534 459
M24 411 353
M22 353 303
M20 285 245
M16 182 157
M12 98 84.3

Advantages Of Galvanized Nuts And Bolts


Advantages Of Galvanized Nuts And Bolts

Design Tension Capacity On Galvanized Stud Bolt


Nominal Diameter for Bolt Stress Area, as (Mm2) Design Tension Max Capacity (Nif) for Bolt Grade, (Kn) Nominal Tension Capacity in (Ntf) For Bolt Grade, (Kn)
10.9 8.8 4.6 10.9 8.8 4.6
M36 817 680 542 261 817 654 327
M30 561 467 373 180 561 449 224
M24 353 294 234 113 353 282 141
M20 245 204 163 78.4 245 196 98.0
M16 157 131 104 50.2 157 126 62.8

How Long Do Hot Dip Galvanized Washer Last?


Galvanized Washer Generally Last 15 to 50 Years Depending on Coating Thickness and Environmental Conditions


Galvanized Steel Bolts Comparison To Other Coatings


Propertise Hot-dip Galvanizing Zinc Plating Electroplating
Temperature Range -100 C to 200 C -100 C to 200 C -100 C to 200 C
Corrosion Protection Cathodic & Barrier Cathodic & Barrier Cathodic & Barrier
Bond Strength 3,600 psi 300-600 psi 300-600 psi
Paintability Can be painted Can be painted Can be painted
Coating Thickness 1.7 to 3.4 mils Up to 1 mil 0.2 mils
Application Shop Shop Shop
Hardness DPN Hardness Ranging From 179-250, for Alloy Layers Harder Than Base Steel 50% as Hard for Base Steel 50% as Hard for Base Steel

Minimum Service Life Of Hot Dipped Galvanized Hex Bolts


Galvanized Coating Durability for Various Atmospheric Conditions in (Years)
Corrosivity Category CX C5 C4 C3 C2 C1
Life to First Maintenance of Coating 2- 6 6- 12 12- 24 24- 71 71- > 100 >100
Typical Location Severe Surf Seashore Surf Seashore Calm sSeashoreeashore Coastal Arid or urban inland Dry indoors

Galvanized Anchor Bolts: Which Coating Do I Need ?


Galvanized Coating Specified By  Applications
Zinc/Aluminum coating ASTM F2833 Dip-spin or Spray Application
Hot dip galvanized ASTM A153 or F2329 Outdoor and Marine Applications
Electro-Galvanized ASTM F1941 Indoor or Temporary Applications
Mechanically Galvanized ASTM B695 Corrosive Environment

Standards Of Galvanized Structural Fasteners


Galvanized Structural Bolt Galvanized Structural Nuts
ASTM A307, A325M, A325, A490M & A490 ASTM A563 and A563M

Thread Specifications For Galvanized Bolts


Dimensions in (Inches)
Galvanized ASTM A307 & A325 Bolts & a-563 Nuts Thread Specifications
Thread Bolt Nut ASTM Allowance
Max Major Dia. Max. GO Size Pitch Dia. Min. Minor Dia. Max. No Go Size Pitch Dia. Min. GO Size Pitch Dia.
1-8 1.0220 0.9408 0.8890 0.9516 0.9428 0.0240
1 1/2-8 1.5248 1.4436 1.3920 1.4553 1.4458 0.0270
1/2-13 0.5165 0.4665 0.4350 0.4745 0.4680 0.0180
1 1/8-8 1.1469 1.0657 1.0140 1.0768 1.0678 0.0240
3/4-10 0.7682 0.7032 0.6440 0.7127 0.7050 0.0200
5/8-11 0.6434 0.5844 0.5470 0.5932 0.5860 0.0200
7/8-9 0.8951 0.8229 0.7770 0.8330 0.8248 0.0220

Design Capacity Factors For Galvanized Bolts and Nuts


Connection Capacity Factor in (Ø)
Bolt Subject to Combined Shear and Tension 0.80
Ply in Bracing 0.80
Bolt in Shear 0.80
Bolt Group 0.90
Bolt in Tension 0.80

Types Of Hot Dip Galvanized Bolts


Hot Dipped Galvanized Hex Bolts

Hot Dipped Galvanized Hex Bolts

Hot Dipped Flange Bolts

Hot Dipped Flange Bolts

Hot Dipped Galvanized Carriage Bolts

Hot Dipped Galvanized Carriage Bolts

Hot Dipped Galvanized U Bolts

Hot Dipped Galvanized U Bolts

Hot Dipped Galvanized Eye Bolts

Hot Dipped Galvanized Eye Bolts

Galvanized Heavy Hex Bolts

Galvanized Heavy Hex Bolts

Galvanized Structural Bolts

Galvanized Structural Bolts

Hot Dipped Galvanized J Bolts

Hot Dipped Galvanized J Bolts

Hot Dipped Galvanized Metric Bolts

Hot Dipped Galvanized Metric Bolts

Hot Dipped Galvanized Lag Bolts

Hot Dipped Galvanized Lag Bolts

Hot Dipped Galvanized Anchor Bolts

Hot Dipped Galvanized Anchor Bolts

Hot Dip Galvanized Machine Bolts

Hot Dip Galvanized Machine Bolts

Types Of Galvanized Nuts


Hot Dip Galvanized Nylock Nuts

Hot Dip Galvanized Nylock Nuts

HDG Wing Nuts

HDG Wing Nuts

Zing Coated Galvanized Jam Nuts

Zing Coated Galvanized Jam Nuts

Hot Dip Square Nuts

Hot Dip Square Nuts

Hot Dip Galvanized Heavy Hex Nuts

Hot Dip Galvanized Heavy Hex Nuts

Galvanized Hex Nuts

Galvanized Hex Nuts

Types Of Hot Dipped Screws


Grade 12.9 HDG Self Drilling Screws

Grade 12.9 HDG Self Drilling Screws

Hot Dipped Wood Screws

Hot Dipped Wood Screws

Grade 10.9 HDG Mushroom Head Screws

Grade 10.9 HDG Mushroom Head Screws

Grade 8.8 Hot Dip Galvanized Button Head Screws

Grade 8.8 Hot Dip Galvanized Button Head Screws

A325 Galvanized Socket Cap Screws

A325 Galvanized Socket Cap Screws

Hot Dip Galvanized Hex Cap Screws

Hot Dip Galvanized Hex Cap Screws

Types Of Galvanized Stud Bolt


Galvanized A325 Weld Studs

Galvanized A325 Weld Studs

Hot Dip Galvanized Flange Bolting Stud Bolts

Hot Dip Galvanized Flange Bolting Stud Bolts

Zing Coated Galvanized Threaded Rod

Zing Coated Galvanized Threaded Rod

Hot Dip Double End Studs

Hot Dip Double End Studs

Galvanized Tap End Studs

Galvanized Tap End Studs

Hot Dip Galvanized Threaded Studs

Hot Dip Galvanized Threaded Studs

Types Of Hot Dipped Galvanized Washers


Hot Dipped Fender Washers

Hot Dipped Fender Washers

HDG Self Locking Washer

HDG Self Locking Washer

Hot Dip Ogee Washers

Hot Dip Ogee Washers

Zing Coated Galvanized Square Washer

Zing Coated Galvanized Square Washer

Hot Dip Galvanized Spring Lock Washer

Hot Dip Galvanized Spring Lock Washer

Galvanized Flat Washer

Galvanized Flat Washer