Why Buyers Pick Ganpat Industrial For Carbon Steel Screw?
Full Range, One Enquiry
Socket, hex, set, shoulder, self-drilling & concrete – one PO
Standards-Backed Supply
ASTM A307 • ISO 4762 • ISO 898-1 • DIN 7504 patterns
Coating To Match The Site
Zinc plated or hot dip galvanized – chosen for your exposure
Checked Before Dispatch
Dimension, thread, hardness & coating checks on every lot
Custom To Your Drawing
Odd lengths, heads & threads made to sample or print
Carbon Steel Screw Technicalities
- 1Type: Socket Head Cap, Hex Head, Set, Shoulder, Machine, Self-drilling, Panel, Concrete, Anchor, Blind Rivet
- 2Size Range: M3 to M36 metric • ¼ in. to 1 in. UNC / UNF • Self-drilling ST 3.5 to 6.3 mm
- 3Standards: ASTM A307, ISO 4762 / DIN 912, ISO 4017 / DIN 933, ISO 898-1, DIN 7504, SAE J78
- 4Threads: UNC, UNF, Metric Coarse, Metric Fine, ST Tapping Thread
- 5Finish: Zinc Plated, Hot Dip Galvanized, Plain / Oiled
- 6HS Code: 7318.14 Self-tapping • 7318.15 Other Screws & Bolts
Or WhatsApp our Mumbai desk: +91 85912 64209 • Same-week dispatch on ready stock sizes
Ganpat Industrial is a trusted Carbon Steel Screw Supplier in India. We offer ASTM A307 CS Screw in various grades and sizes. Our screws feature different heads, threads, and drive configurations. Products are supplied with material certificates and traceability documentation. Applications include construction, automotive, fabrication, engineering, and industrial projects. We supply customers throughout India, UAE, and wider Middle East.
Mumbai · Carbon Steel Screw Manufacturer In India
Precision-Made Screws For Dependable Performance
Ganpat Industrial stocks Carbon Steel LT Screw in various grades and sizes to ASTM and DIN standards for construction and engineering applications across India, UAE and the Middle East.
- ✓Multiple Steel Grades
- ✓Precision Threading
- ✓Material Traceability
- ✓Global Export
Zinc Plated & Hot Dip Galvanized A307 CS Self-Drilling Screws Supplier in India With HS Code
Carbon Steel Screw Specification
Carbon Steel Concrete Screw Grade
- ASTM A307 Grade A / B
- ISO 898-1 Class 4.6 / 4.8 / 8.8
- Low-Carbon Steel (C max 0.29% in A307)
- Heat-Lot Traceable
ASTM A307 CS Screw Size Range
- Metric: M3 – M36
- Inch: ¼ in. – 1 in. UNC / UNF
- Self-drilling: ST 3.5 – 6.3 mm
- Custom Lengths On Drawing
CS Panel Screw Standards
- ISO 4762 / DIN 912 Socket Head
- ISO 4017 / DIN 933 Hex Head
- DIN 7504 / SAE J78 Self-drilling
- ASME B18.6.3 Machine Screws
A307 CS Machine Screw Threads
- UNC & UNF (ASME B1.1)
- Metric Coarse & Fine
- ST Tapping Thread (ISO 1478)
- Full & Partial Thread
Carbon Steel Threaded Screw Coatings
- Zinc Plated (ASTM B633)
- Hot Dip Galvanized
- Plain / Oiled
- Other Coating On Request
Carbon Steel Socket Head Cap Screws Head Drives
- Hex • Socket • Pan • Countersunk
- Hex Washer Head
- Hex Key, Phillips & Slotted Drives
- Full Range Of Point Styles
Dimensions of Carbon Steel Socket Head Cap Screw
Available in standard and custom diameters, lengths and head configurations.
| Thread Size | Coarse Pitch | Head Dia. (max) | Head Height | Hex Key |
|---|---|---|---|---|
| M3 | 0.5 | 5.5 | 3 | 2.5 |
| M4 | 0.7 | 7 | 4 | 3 |
| M5 | 0.8 | 8.5 | 5 | 4 |
| M6 | 1 | 10 | 6 | 5 |
| M8 | 1.25 | 13 | 8 | 6 |
| M10 | 1.5 | 16 | 10 | 8 |
| M12 | 1.75 | 18 | 12 | 10 |
| M14 | 2 | 21 | 14 | 12 |
| M16 | 2 | 24 | 16 | 14 |
| M20 | 2.5 | 30 | 20 | 17 |
| M24 | 3 | 36 | 24 | 19 |
| M30 | 3.5 | 45 | 30 | 22 |
| M36 | 4 | 54 | 36 | 27 |
Surface Coatings For A307 CS Machine Screw
Zinc Plated
- ASTM B633 electroplated zinc
- SC1 5 µm • SC2 8 µm
- SC3 12 µm • SC4 25 µm
- Clear or yellow passivate
Hot Dip Galvanized
- ASTM A153 / F2329 / ISO 10684
- Thicker zinc for outdoor duty
- Pair with oversize-tapped nuts
- Preferred for roofing & structure
Plain / Oiled
- Uncoated carbon steel
- Light oil for transit
- For indoor or later painting
- Lowest cost option
Popular Types of Carbon Steel Screw
Check Carbon Steel Screw Manufacturer in India providing various types with excellent quality.
Carbon Steel Socket Head Cap Screws
ISO 4762 / DIN 912
CS Socket Set Screw
ISO 4026 – 4029
ASTM A307 Carbon Steel Hex Head Screws
ASTM A307 Gr A / B
Carbon Steel Shoulder Screw
ISO 7379
Carbon Steel Anchor Screw
Custom Drawing
Carbon Steel Blind Rivet Screws
Custom Drawing
CS Panel Screw
ST Thread
Carbon Steel Threaded Screw
Full Thread
Need Carbon Steel Screws Coated For A Site Order?Send size, length, coating & quantity – get factory price.
Factors To Consider When Selecting CS Panel Screw
Strength Class
Match A307 or ISO 4.6 / 8.8 to the joint load
Factor 1
Coating & Exposure
Indoor, urban, coastal or industrial air decides zinc vs galvanizing
Factor 2
Base Metal Thickness
Self-drillers are rated by sheet thickness they can drill
Factor 3
Thread & Pitch
Coarse for speed and soft parts, fine for vibration and adjustment
Factor 4
Head & Drive Style
Low profile, washer head or socket key access
Factor 5
Standard & Paperwork
ISO, DIN, ASTM or ASME dimension plus test certificate need
Factor 6
HSN Code For Carbon Steel Screw
Self-Drilling / Panel
7318.14.00
Self-Tapping Screws
Hex, Socket & Set Screws
7318.15.00
Other Screws & Bolts
Machine Screws
7318.11.10
Indian tariff item – confirm before filing
GST Rate
18%
Heading 7318 – verify latest notification
Chemical Composition of ASTM A307 Carbon Steel Hex Head Screws
CarbonC
≤ 0.29%
ManganeseMn
≤ 1.20%
PhosphorusP
≤ 0.04%
Sulfur, Grade AS
≤ 0.15%
Sulfur, Grade BS
≤ 0.05%
IronFe
Balance
Mechanical Properties of Carbon Steel Shoulder Screw
Tensile, A307 Grade A
≈ 414 MPa
ASTM A307
Yield, A307 Grade B
60 – 100 ksi
Heavy Hex, Piping Flanges
Elongation, A307
18% Min
Grades A & B
Hardness, A307 Grade A
121 – 241 HB
No Yield Minimum Set
Carbon Steel LT Screw Material Equivalent
American Standard
- ASTM A307 Grade A / B
- ASME B18.6.3 Machine Screws
- SAE J78 Self-drilling
- ASME B1.1 UNC / UNF Threads
European Standard
- ISO 898-1 Classes 4.6 / 4.8 / 8.8
- ISO 4762 = DIN 912
- ISO 4017 = DIN 933
- DIN 7504 ≈ ISO 15480 (K type)
British Standard
- IS 2269 Socket Head Cap Screws
- BS 3692 Precision Hex Screws
- Metric threads to ISO 261 / 262
- Thread tolerance ISO 965
Weight Chart of Carbon Steel Concrete Screw
| Nominal Dia. | Weight (kg per metre) |
|---|---|
| M6 | 0.222 |
| M8 | 0.395 |
| M10 | 0.617 |
| M12 | 0.888 |
| M14 | 1.209 |
| M16 | 1.579 |
| M20 | 2.468 |
| M24 | 3.554 |
| M30 | 5.553 |
| M36 | 7.997 |
Thread Types of CS Socket Set Screw
Metric Thread
- Coarse thread (ISO)
- Fine thread
- Metric sizes M3-M30+
UNC / UNF Thread
- Unified coarse (UNC)
- Unified fine (UNF)
- Inch sizes available
BSW / BSF Thread
- British Standard Whitworth
- British Standard Fine
- Imperial thread sizes
BSP Thread
- BSPP parallel thread
- BSPT tapered thread
- Pipe & fitting applications
Special Threads
- Custom pitch
- Non-standard thread forms
- Drawing / sample matching
Thread Standards
- ISO metric standards
- ASME / ANSI standards
- Customer specifications
Weekly Delivery of Carbon Steel Anchor Screw To The Following Countries
| Export to | Countries | Continent | Shipping time | Ports |
|---|---|---|---|---|
|
USA | North America | 30-45 Days | Port of Los Angeles |
|
UAE | Asia | 11-50 Days | Port of Singapore |
|
Italy | Europe | 20-54 Days | Port of Antwerp-Bruges |
Buying Carbon Steel Screws In Bulk For A Project?Send your BOQ – we quote size-wise with certificates.
Get Carbon Steel Socket Head Cap Screws With UNC, UNF And Metric Coarse or Fine Threads For Roofing, Cladding And Steel Structure Applications
Applications of Carbon Steel Blind Rivet Screws
Find Carbon Steel Screw Supplier in India providing versatile applications.
Roofing Sheets
Wall Cladding
Steel Structures & PEB
Metal Panel Assembly
Concrete & Masonry Fixing
Anchoring & Base Plates
Machinery Assembly
Electrical Enclosures
Export Packaging of ASTM A307 CS Screw
Poly Bag & Inner Box
Counted lots for trial and sample orders
Master Carton
Sealed cartons with size, grade and lot marking
Wooden Pallet / Box
Strapped for container and heavy lots
VCI Wrapping
Guards plain and plated screws against transit rust
Testing Methods For Carbon Steel Anchor Screw
Tensile & Proof Load Test
Class-wise strength check per ISO 898-1
Hardness Test
Rockwell / Vickers on core and surface
Dimensional & Thread Gauge
Head, length and go / no-go thread fit
Thickness Test
Zinc thickness check against SC or HDG class
Chemical Analysis
Heat analysis against A307 limits
Drill & Drive Test
For self-drillers: drilling, driving & case depth per SAE J78
Monthly Delivery of CS Socket Set Screw To The Following Countries
| Export to | Countries | Continent | Shipping time | Ports |
|---|---|---|---|---|
|
Malaysia | Asia | 19-23 Days | Port of Shanghai |
|
Spain | Europe | 33-34 Days | Port of Hamburg |
|
Germany | Europe | 20-45 Days | Port of Rotterdam |
Frequently Asked Questions
What is the A307 CS Machine Screw price?
Price depends on size, grade, coating and quantity. Contact us for a quote.
What sizes are available for Carbon Steel LT Screw?
Metric, inch and custom sizes are available as per requirement.
What is the HS code for Carbon Steel Screws?
Carbon Steel Screws generally fall under HS heading 7318.
Can CS Socket Set Screw be welded?
Yes, they can be welded, but heat-treated screws are generally not recommended.
Sales Representative Available to Provide Quick Quote
| Saudi Arabia | Nigeria | UAE | Oman | South Africa |
|---|---|---|---|---|
| USA | Angola | Algeria | Kenya | Tanzania |
| Ethiopia | Gabon | Zambia | Ghana | Morocco |
| New South Wales | Tunisia | Mozambique | Egypt | – |
6 Reasons to choose Ganpat Industrial Corporation
- Distributor of Heat Exchanger parts and Alloys for High Temperature applications.
- Stockholder and importer of Ferrous and non ferrous metals.
- Wide stock of prime quality austenitic and Ferritic Stainless Steel for Extreme pressure environment.
- Marine grade steel at lowest price in Mumbai.
- Compare Price per KG in India and China.
- Offer Resale price to local suppliers, traders and wholesalers in UAE, Saudi Arabia, Egypt, and USA