SAE J429 Grade 5 Bolts Highlights
Mortec At A Glance
Established
Since 2012 • 15+ yrs experience
Manufacturing Units
2 in-house units • Taloja & Mazgaon
Stockyard Area
8,850+ sq.ft • Ready-stock inventory
Certifications
ISO 9001:2015 • GST, IEC & MSME
Clientele
100+ clients • India & export markets
Export Reach
15+ countries • GCC, Africa & Americas
Testing Offered
Proof load, hardness & chemical • SAE J429
Shipment Documents
Invoice, Packing List • COO, COI, MTC & BL
Table of Content
100% Certified SAE Grade 5 Screw Manufacturer In India With Custom Dimensions
When projects need stronger medium-carbon fasteners quickly, buyers across South Africa, UAE, Canada and Southeast Asia choose SAE J429 Grade 5 Bolts. These bolts support demanding construction and maintenance applications. Custom-length zinc-plated studs and heavy hex bolts are readily available. MTCs include yield strength details before buyers commit to orders. Our ex-stock range from 1/4" to 1 1/2" ships quickly. Most orders leave our Mumbai facility within the same week.
Every Gr 5 Machine Screws is heading-formed and heat-treated. We quench and temper each batch carefully in-house for consistency. Every fastener is checked against SAE J429 Table 1 requirements. As direct manufacturers, we avoid trader mark-ups and unnecessary delays. Our team answers size and thread queries on the same day. Every carton receives secure packing for long-haul freight and projects.
SAE J429 Grade 5 Bolts Specification
Request a direct quote from the manufacturer, with SAE J429 certification on every dispatch. Global shipping from ready stock.
SAE Grade 5 Bolt Size Range
- 1⁄4″ through 1″ (full grade)
- Over 1″ through 1½″ (step-down grade)
SAE J429 Gr 5 Screw Thread Series & Class
- UNC (coarse) & UNF (fine)
- Class 2A external thread tolerance
SAE J429 Gr 5 Heavy Hex Bolt Governing Standards
- SAE J429 (mechanical/material)
- ASME B18.2.1 (dimensional)
Zinc Plated Grade 5 Sems Head Options
- Hex bolt, heavy hex bolt
- Double-end studs, all-thread
Medium Carbon Steel Grade 5 Bolts Finish Options
- Plain, zinc plated (yellow/clear)
- Hot-dip galvanized, black oxide
Grade 5 Bolt Material & Heat Treatment
- Medium carbon steel
- Quenched, tempered 800°F min
Dimensions of SAE J429 Grade 5 Hex Bolts
Hex bolt dimensions per ASME B18.2.1, including wrench size, head height, and minimum thread length.
| Nominal Size | TPI (UNC) | TPI (UNF) | Head Width Across Flats | Head Height (Basic) | Min Thread Length (≤6″) |
|---|---|---|---|---|---|
| 1/4 | 20 | 28 | 7/16 | 5/32 | 3/4 |
| 5/16 | 18 | 24 | 1/2 | 13/64 | 7/8 |
| 3/8 | 16 | 24 | 9/16 | 15/64 | 1 |
| 7/16 | 14 | 20 | 5/8 | 9/32 | 1 1/8 |
| 1/2 | 13 | 20 | 3/4 | 5/16 | 1 1/4 |
| 9/16 | 12 | 18 | 13/16 | 23/64 | 1 3/8 |
| 5/8 | 11 | 18 | 15/16 | 25/64 | 1 1/2 |
| 3/4 | 10 | 16 | 1 1/8 | 15/32 | 1 3/4 |
| 7/8 | 9 | 14 | 1 5/16 | 35/64 | 2 |
| 1 | 8 | 12 | 1 1/2 | 39/64 | 2 1/4 |
| 1 1/8 | 7 | 12 | 1 11/16 | 11/16 | 2 1/2 |
| 1 1/4 | 7 | 12 | 1 7/8 | 25/32 | 2 3/4 |
| 1 3/8 | 6 | 12 | 2 1/16 | 27/32 | 3 |
| 1 1/2 | 6 | 12 | 2 1/4 | 15/16 | 3 1/4 |
Distinct Types of SAE J429 Grade 5 Bolts
As a trusted SAE J429 Grade 5 Bolts Supplier in India, we provide standard sizes with ready stock for industrial applications.
SAE J429 Grade 5 Hex Bolts
SAE J429 • ASME B18.2.1- Medium carbon steel construction
- Suitable for high-strength general assembly
SAE Grade 5 Hex Cap Screw
Fine Bearing Face • SAE J429- Precision-machined bearing surface
- Available in full or partial thread options
J429 Grade 5 Stud Bolts
SAE J429 • Custom Length- Single or double-end threaded designs
- Suitable for flange and equipment joints
Zinc Plated Grade 5 Sems
Pre-Assembled Washer • Zinc Plated- Captive washer reduces assembly time
- Corrosion-resistant zinc plated finish
Gr 5 Machine Screws
Slotted, Phillips or Combo Drive- Available with multiple drive styles
- Designed for threaded-hole applications
SAE J429 Gr 5 Heavy Hex Bolt
High Strength • Matched Thread Class- Heavy hex head for demanding assemblies
- Suitable for controlled Grade 5 bolt torque applications
SAE J429 Grade 5 Bolts Manufacturer In India Since 2012
Order Grade 5 hex bolts and studs direct from the forge - no trader layers, no waiting.
Buy Custom Lengths Zinc Plated Grade 5 Studs And Heavy Hex Bolt With MTC, Refer Yield Strength
Mechanical Properties of J429 Grade 5 Studs
SAE J429 Gr 5 Heavy Hex Bolt Chemical Composition
Medium Carbon Steel Grade 5 Bolts Equivalent
SAE / ASTM (USA)
- SAE J429 Grade 5
- ASTM A449 (over 1½″ dia.)
- Nut: SAE J995 Grade 5
ISO (Metric)
- ISO 898-1 Property Class 8.8
- Closest functional match, not dimensional
DIN / EN (Germany)
- DIN EN ISO 4014 (hex bolt)
- DIN 931/933, Class 8.8
JIS (Japan)
- JIS B1180 hex bolt form
- JIS B1051 Strength Class 8.8
BS (United Kingdom)
- BS 3692 Grade 8.8 (high tensile)
Your SAE Grade 5 Bolts Partner In The Gulf & Africa
Ex-stock inventory and mill-order dispatch for fabricators and OEM buyers across the region.
Dubai, UAE
Dammam, KSA
Durban, South Africa
Mombasa, Kenya
Kampala, Uganda
Istanbul, TurkeyTorque Chart of SAE J429 Grade 5 Bolts
Suggested torque for plain-finish UNC Grade 5 fasteners at K=0.20. Actual values vary with lubrication and joint conditions.
| Bolt Size | TPI (UNC) | Proof Load (lbs) | Clamp Load (lbs) | Torque, Plain (ft-lb) |
|---|---|---|---|---|
| 1/4 | 20 | 2,700 | 2,025 | 8 |
| 5/16 | 18 | 4,450 | 3,338 | 17 |
| 3/8 | 16 | 6,600 | 4,950 | 31 |
| 7/16 | 14 | 9,050 | 6,788 | 49 |
| 1/2 | 13 | 12,050 | 9,038 | 75 |
| 9/16 | 12 | 15,450 | 11,588 | 109 |
| 5/8 | 11 | 19,200 | 14,400 | 150 |
| 3/4 | 10 | 28,400 | 21,300 | 266 |
| 7/8 | 9 | 39,250 | 29,438 | 429 |
| 1 | 8 | 51,500 | 38,625 | 644 |
| 1 1/8 | 7 | 56,450 | 42,338 | 794 |
| 1 1/4 | 7 | 71,700 | 53,775 | 1,120 |
| 1 3/8 | 6 | 85,450 | 64,088 | 1,469 |
| 1 1/2 | 6 | 104,000 | 78,000 | 1,950 |
SAE J429 Grade 5 Bolts Exporter To Durban, South Africa
Container-ready pricing for South African fabricators, with export documentation prepared upfront.
Finish & Corrosion Protection of Gr 5 Machine Screws
Head Types of Grade 5 Bolt
North American buyers often ask about stocked head styles before ordering-here's our standard range.
SAE Grade 5 Bolt Nut & Washer Compatibility
A Grade 5 bolt is only as strong as the nut and washer paired with it - here is the hardware we recommend and stock alongside it.
Applications of SAE J429 Gr 5 Fasteners
Grade 5 Bolts are widely used across these industries, with buyers choosing us for fast, reliable dispatch.
Not Sure Which Grade Your Joint Needs?
Share your load and safety factor - we recommend the right grade, size and thread series.
SAE Grade 5 Vs Grade 8 Bolts
Grade 8 offers higher strength than Grade 5. As a direct Indian manufacturer, we ensure better pricing and faster delivery.
SAE Grade 5
- Material: Medium carbon steel
- Tensile Strength: 105,000–120,000 psi
- Core Hardness: C19–C34
- Head Marking: 3 radial lines
- Relative Cost: Lower
SAE Grade 8
- Material: Medium carbon alloy steel
- Tensile Strength: 150,000 psi
- Core Hardness: C33–C39
- Head Marking: 6 radial lines
- Relative Cost: Higher
Markings of SAE J429 Gr 5 Heavy Hex Bolt
Check the bolt head before assembly-grade markings help quickly verify the correct fastener.
SAE J429 Gr 5 Screw Delivery Timeline
SAE J429 Grade 5 Bolts Manufacturer in Mumbai ships bolts after order confirmation. Transit time varies by destination.
Ex-Stock Dispatch
Confirmed orders on popular sizes ship in 2–5 working days
Sea Freight
Lowest per-kg freight cost, 1–4 weeks depending on destination port
Air Freight
3–7 days for breakdown or shutdown-critical orders
Country-Specific ETA
Send your destination port and we confirm a firm delivery date
Zinc Plated Grade 5 Sems Testing & Certification
In-house testing is available on request and recorded on the material certificate for fast, verified dispatch.
SAE J429 Grade 5 Bolts Supplier In India With MTC On Every Batch
Domestic buyers get the same proof-load tested stock and paperwork as our export customers.
Price Factors of Medium Carbon Steel Grade 5 Bolts
Share four key details for an accurate quote. We offer transparent Grade 5 bolt pricing from raw material to finished part.
SAE J429 Grade 5 Bolts FAQs
Quick answers to the questions buyers ask us most before placing an order.
What is the price basis for SAE Grade 5 Bolts?
Price is quoted per kg or per piece against size, quantity, thread series, finish and testing level - share your spec for a firm number.
What are the J429 Grade 5 Studs material properties?
Quenched-and-tempered medium carbon steel with 120,000 psi tensile and 92,000 psi yield strength per SAE J429.
What is the Gr 5 Machine Screws equivalent?
ASTM A449 covers the same mechanical grade for diameters over 1½″, and ISO 898-1 Property Class 8.8 is the closest metric equivalent.
What is the SAE J429 Gr 5 Heavy Hex Bolt chemical composition?
Carbon 0.28-0.55%, phosphorus 0.030% max, sulfur 0.050% max, per SAE J429.
What is the Medium Carbon Steel Grade 5 Bolts yield strength?
92,000 psi minimum for 1/4″ through 1″ diameter, and 81,000 psi minimum for sizes over 1″ through 1½″, per SAE J429.
Authorized Supplier For The Following Companies - Material At Reseller Price For Traders
