Repute Steel & Engineering Company is a trusted supplier of high-quality Carbon Steel Fasteners, including Carbon Steel Studs, Threaded Rods, Galvanized Dash, and Anchor Fasteners. Our products are designed to meet the needs of industries requiring robust and cost-effective solutions for applications involving high pressure and high temperature.
Our Carbon Steel Anchor Fasteners conform to ASTM A194 standards, ensuring they are capable of withstanding extreme conditions. These fasteners undergo rigorous testing, including hardness tests, cone proof load tests, and proof load tests, to ensure reliability and performance.
To enhance the corrosion resistance of our Carbon Steel Tooth Lock Washers, we apply a thick zinc coating, known as galvanization. This coating significantly improves the fasteners' resistance to corrosion, making them suitable for use in harsh environments where corrosion is a concern. Carbon Steel Fasteners are recommended for industries that prioritize cost-effectiveness over long-term durability. However, the high toughness and hardness properties of Carbon Steel Hex Domed Cap Nuts and Carbon Steel Hex Head Screws make them ideal for demanding sectors like oil and gas and petrochemicals, where they are in high demand.
Choose Repute Steel & Engineering Company for reliable, durable Carbon Steel Fasteners tailored to your industrial needs.
Size chart of Carbon Steel Bolts
|
Carbon Steel Screws Type
|
SIZE
|
GRADE
|
ASME
|
ISO
|
ASTM
|
|---|---|---|---|---|---|
|
Socket Head Cap Screws
|
M1.6 to M64
|
12.9
|
B18.3.1 M
|
4762
|
A574M
|
|
Socket Low Head Cap Screws
|
M4 to M20
|
10.9
|
|
|
|
|
Socket Head Shoulder Screws
|
M6 to M24
|
012.9
|
B18.3.3M
|
|
|
|
Countersunk Socket Head Screws
|
M3 to M20
|
012.9
|
B18.3.5M
|
10642
|
F835M
|
|
Button Head Socket Screws
|
M3 to M12
|
012.9
|
B18.3.4M
|
7380
|
F835M
|
|
Flange Button Head Socket Screws
|
M3 to M10
|
012.9
|
|
|
F835M
|
|
Knurled Point Socket Set Screws
|
M3 to M20
|
45H
|
B18.3.6M
|
4029
|
F912M
|
|
Flat Point Socket Set Screws
|
M6 to M12
|
45H
|
B18.3.6M
|
4026
|
F912M
|
|
Dog Point Socket Set Screws
|
M3 to M20
|
45H
|
B18.3.6M
|
4028
|
F912M
|
|
Cone Point Socket Set Screws
|
M3 to M12
|
45H
|
B18.3.6M
|
4027
|
F912M
|
|
Plain Point Socket Set Screws
|
M3 to M20
|
45H
|
B18.3.6M
|
4029
|
F912M
|
|
Taper Pressure Plug
|
M8 to M22
|
–
|
|
|
|
Metric SS Fasteners
| SS Fasteners Type | Socket Head Cap Screw |
| SS Fasteners SIZE | M3 to M30 |
| PROPERTY CLASS | A2 – 70/80, A4 – 70/80 |
| SS Fasteners Standard | DIN 912 / ISO 4762 |
| SS Fasteners Type | Hex Head Screw (Full Thread) |
| SS Fasteners SIZE | M3 to M30 |
| PROPERTY CLASS | A2 – 70/80, A4 – 70/80 |
| SS Fasteners Standard | DIN 933 / ISO 4017 |
| SS Fasteners Type | Hex Head Bolt (Partial Thread) |
| SS Fasteners SIZE | M4 to M30 |
| PROPERTY CLASS | A2 – 70/80, A4 – 70/80 |
| SS Fasteners Standard | DIN 931 / ISO 4014 |
| SS Fasteners Type | Hex Nut |
| SS Fasteners SIZE | M3 to M30 |
| PROPERTY CLASS | A2 – 70/80, A4 – 70/80 |
| SS Fasteners Standard | DIN 934 / ISO 4032 |
| SS Fasteners Type | Plain Washer |
| SS Fasteners SIZE | M3 to M64 |
| PROPERTY CLASS | A2, A4 |
| SS Fasteners Standard | DIN 125 A |
| SS Fasteners Type | Flat – Section Spring Washer |
| SS Fasteners SIZE | M3 to M36 |
| PROPERTY CLASS | A2, A4 |
| SS Fasteners Standard | DIN 127 B |
| SS Fasteners Type | Square – Section Spring Washer |
| SS Fasteners SIZE | M3 to M36 |
| PROPERTY CLASS | A2, A4 |
| SS Fasteners Standard | DIN 7980 |
| SS Fasteners Type | Threaded Rod |
| SS Fasteners SIZE | M3 to M36 |
| PROPERTY CLASS | A2 – 70/80, A4 – 70/80 |
| SS Fasteners Standard | DIN 975 |
|
Carbon Steel Bolt Type
|
SIZE
|
PROPERTY CLASS
|
TENSILE STRENGTH
|
STANDARD
|
|---|---|---|---|---|
|
Carbon Steel Hex Head Bolt / Screws
|
M4 to M80
|
10.9
|
1040N / mm2 min
|
ISO 4017 (Full Thread)
ISO 4014 (Half Thread) |
|
Carbon Steel Nuts Type
|
SIZE
|
PROPERTY CLASS
|
STANDARD
|
|---|---|---|---|
|
Hex Nut
|
M6 to M42
|
10
|
ISO 4032
|
|
Nylock Nut
|
M6 to M20 (Gr.8)
M10 to M24 (Gr.10) |
8 & `10
|
DIN 982
|
|
Nylock Nut
|
M6 to M20 (Gr.8)
M10 to M24 (Gr.10) |
8 & 10
|
DIN 985
|
|
Hex Weld Nut
|
M6 to M12
|
8
|
DIN 929
|
|
Carbon Steel Washers Type
|
SIZE
|
HARDNESS
|
STANDARD
|
|---|---|---|---|
|
Square Section Spring Washer, Carbon Steel
|
3mm to 39mm
|
HV (430 to 530)
|
DIN 7980
|
|
Flat Section Spring Washer, Carbon Steel
|
3mm to 39mm
|
HV (430 to 530)
|
DIN 127 B
|
|
Hardened Washer, Carbon Steel
|
12mm to 30mm
|
HV (300 to 370)
|
IS 2016
|
|
Hardened Steel Washer, Carbon Steel
|
12mm to 56mm
|
Rockwell 26 to 45 (HDG)
Rockwell 38 to 45 (Coated) |
ASTM F436M
|
Materials selection and specification of Carbon Steel Fasteners
| Fasteners Material Specification | ASTM / ASME A/SA 193 / 194 |
|---|---|
| Standard | DIN, UNI, ISO, JIS, GB, IS, BS, ASME, ANSI, ASTM and all International Standards |
| Fasteners/ Bolts Size | M2, M2.5, M3, M4, M5, M6, M8, M10, M12, M14, M16, M20, M24, M30, M36 to M160 |
| Length | 3 mm to 200 mm |
| Bolts, Studs Threads: | METRIC, BSW, BSF, UNC, UNF or as required |
| Fasteners Standard: | ANSI – American National Standards Institute
DIN: DIN 931, DIN 933, DIN 934, DIN 970 UTS – Unified Thread Standard : UNC, UNF, UNEF, UNS, NPT, NPTF ISO – International Organization for Standardization : ISO 4032, ISO 4033, JIS standards |
| Source of raw materials | Tata Steel, JSPL, RINL, Usha Martin, Dhamm Steel, Mukund Steel etc. |
| SCOPE OF MANUFACTURE |
|
| Fasteners In Form of: | Hex, Square, Round, Threading as per Gauge Etc. |
| Head drive: | Phillips, Slotted, Phillips/Slot, Six-Lobe, etc |
| bolting Test Certificate: | Manufacturer Test Certificate as per EN 10204 / 3.1 |
| Fasteners finishing: | Zinc (yellow, white, blue, black), black oxide, Geometry, Dacroment, anodizing, nickel plated, plated zinc-nickel, Stainless steel: Passivated Self-Colour, Hot Dip Galvanised (HDG), Bright Zinc Plated (BZP), Sherardized, Stainless Steel, Mechanically Applied coating and some special one like DACROMET |
| Production process | M2-M24: Cold Froging, hot forging M24-M100, machining and CNC for Customized connecting element |
| bolting materials Surface Coating: |
All surface finishes offered including Geomet & PTFE, Galvanised, Zinc, Electroless Nickel, Sherardized, Dacromet |
| Popular Types of Bolts | Hex Bolts, Flange Bolts, Hex Head Bolts, Lag Bolts, Square Bolts, Eye Bolts, U Bolts, T Bolts, Counter sunk Bolts etc. |
| Popular Types of Nut | Hex Head Nut, Eye Nut, Dome Nut, Wing Nut, T Nut, Panel Nut, Lock Nut, Coupling Nut, Square Nut, Acorn Nut etc. |
| Popular Types of Screw | Hex Head Cap Screws, Socket Set Screws, Anchor Screws, Blind Rivet, Socket Head Screws, Concrete Screws, Shoulder Screws, Panel Screws, Threaded Screws, Machine Screws etc. |
| Popular Types of Washer | Machine Washers, Flat Washer, Star Washers, Sealing Washer, Lock Washer, Split Washer etc. |
| Our stockyad location for fast delivery in India | Noida, Bengaluru, Pimpri-Chinchwad, Mumbai, Thiruvananthapuram, Tirunelveli, Vasai, Dhanbad, Chennai, Agra, Nagpur, Hyderabad, Kolkata, Coimbatore, Pune, Jaipur, Tiruchirappalli, Shivamogga, Ahmedabad, surat, Bhubaneswar, Thane, Nashik, Navi Mumbai |
| Fasteners Packing: | IN BULK: canton, pallet, Small Boxs / carton / pallet, or customer request |
Mechanical Properties Tensile Strength of Carbon Steel Fasteners
| Mechanical Properties ISO 898-1 Bolting | |||||||
|
Grade |
Material |
Size Range |
Tensile Strength MPa min. |
Proof Strength MPa min. |
Core Rockwell Hardness |
Yield Strength MPa min. |
|
|
Min. |
Max. |
||||||
|
4.6 |
Low or Medium Carbon Steel |
M5 – M39 3/16” – 1-1/2” |
400 |
225 |
B67 |
B99.5 |
240 |
|
8.8 |
Medium Carbon Steel Q+T |
M5 – M16 3/16” – 5/8” M18 – M39 11/16” – 1-1/2” |
800 830 |
580 600 |
C22 C23 |
C32 C34 |
640 660 |
|
10.9 |
Alloy Steel Q+T |
M5 – M39 3/16” – 1-1/2” |
1040 |
830 |
C32 |
C39 |
940 |
|
12.9 |
Alloy Steel Q+T |
M1.6 – M39 #0 – 1-1/2” |
1220 |
970 |
C39 |
C44 |
1100 |