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
What to Consider When Comparing Hdg Bolt for Structural Steel Applications ?
Table of Content
Ready to Export in March 23, 2025

Air Products and Chemicals, Inc.
PTT Global Chemical Public Company Limited
Hot Dip Galvanized Bolts Specification
Size In Ready Stock
Hot Dipped Flange Bolts Head Style
Neck Type of Galvanized Heavy Hex Bolts
Threads Types of Galvanized Structural Bolts
Head Drive of Hot Dipped Galvanized J Bolts
Hot Dip Galvanized Bolts and Nuts Ends Types
Zing Coated Galvanized Threaded Rod
Hot Dip Galvanized Stud Bolt
Hot Dipped Galvanized Screws
HDG Self Locking Washers
Manufacturing Techniques
Benefits
Testing Methods
Application
Packagings
Origin of Raw Material
What Makes The Galvanized Coating A Best Choice For Heavy Duty Applications ?
Benefits Of Hot Dipped Bolts
Galvanizing Process For HDG Bolt
Preparation & Cleaning
Hot-Dip Galvanizing
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 |
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
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
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 Flange Bolts
Hot Dipped Galvanized Carriage Bolts
Hot Dipped Galvanized U Bolts
Hot Dipped Galvanized Eye Bolts
Galvanized Heavy Hex Bolts
Galvanized Structural Bolts
Hot Dipped Galvanized J Bolts
Hot Dipped Galvanized Metric Bolts
Hot Dipped Galvanized Lag Bolts
Hot Dipped Galvanized Anchor Bolts
Hot Dip Galvanized Machine Bolts
Types Of Galvanized Nuts
Hot Dip Galvanized Nylock Nuts
HDG Wing Nuts
Zing Coated Galvanized Jam Nuts
Hot Dip Square Nuts
Hot Dip Galvanized Heavy Hex Nuts
Galvanized Hex Nuts
Types Of Hot Dipped Screws
Grade 12.9 HDG Self Drilling Screws
Hot Dipped Wood Screws
Grade 10.9 HDG Mushroom Head Screws
Grade 8.8 Hot Dip Galvanized Button Head Screws
A325 Galvanized Socket Cap Screws
Hot Dip Galvanized Hex Cap Screws
Types Of Galvanized Stud Bolt
Galvanized A325 Weld Studs
Hot Dip Galvanized Flange Bolting Stud Bolts
Zing Coated Galvanized Threaded Rod
Hot Dip Double End Studs
Galvanized Tap End Studs
Hot Dip Galvanized Threaded Studs
Types Of Hot Dipped Galvanized Washers
Hot Dipped Fender Washers
HDG Self Locking Washer
Hot Dip Ogee Washers
Zing Coated Galvanized Square Washer
Hot Dip Galvanized Spring Lock Washer
Galvanized Flat Washer