SP Trade International’s Products
Industrial Fasteners
Industrial Fasteners are essential components used to join, assemble, and secure parts in mechanical, structural, and engineering applications. At SP Trade International, we supply a complete range of high-performance fasteners designed for strength, durability, and corrosion resistance across diverse industries.
Our fasteners are manufactured to meet global quality standards such as DIN, ISO, ASTM, and BS, ensuring consistency in threading, finish, and mechanical performance. We offer standard sizes and customized specifications for bulk, retail, and project-based requirements.
Product Range
- Bolts (Hex, Allen, Carriage, U-Bolts, J-Bolts)
- Nuts (Hex Nuts, Lock Nuts, Dome Nuts, Wing Nuts)
- Washers (Plain, Spring, Fender, Star, Sealing)
- Studs & Threaded Rods
- Screws (Machine, Self-Tapping, Wood, Drywall)
- Anchor & Foundation Fasteners
- Custom grade & specification options available based on project requirements
Material Grades Available
- Stainless Steel (SS 304 / 316 / 316L)
- High Tensile Steel (8.8 / 10.9 / 12.9 Grades)
- Mild Steel (MS)
- Carbon Steel
- Brass & Copper Fasteners
- Hot-Dip Galvanized / Electro-Plated / Coated Fasteners
- Custom grade & specification options available based on project requirement
Industries We Supply To
- Fabrication & Engineering Units
- Oil & Gas & Petrochemical Plants
- Infrastructure & Construction Projects
- Automotive & Machinery Manufacturing
- Railways & Heavy Equipment
- Electrical, HVAC & Panel Fabrication
Industries We Serve
- Oil & Gas
- Power & Energy
- Chemicals & Petrochemicals
- Water Treatment & Process Plants
- Fabrication & Heavy Engineering
- HVAC & Fire Fighting Networks
- Food & Pharmaceutical Manufacturing
Why SP Trade International?
- Verified global sourcing network
- Consistent quality with MTC (Mill Test Certificates)
- Competitive pricing with reliable delivery timelines
- Ability to support bulk, retail, and project procurement
- Packaging & export compliance for international shipments
Socket Screws
| PRODUCT | SIZE | GRADE | ASME | ISO | ASTM | |
|---|---|---|---|---|---|---|
| Socket Head Cap Screw |
|
M1.6 to M64 | 12.9 | B18.3.1 M | 4762 | A574M |
| Socket Low Head Cap Screw |
|
M4 to M20 | 10.9 | As Per Unbrako Specification | ||
| Socket Head Shoulder Screw |
|
M6 to M24 | 12.9 | B18.3.3M | Unbrako h8 | |
| Countersunk Socket Head Screw |
|
M3 to M20 | 12.9 | B18.3.5M | 10642 | F835M |
| Button Head Socket Screw |
|
M3 to M12 | 12.9 | B18.3.4M | 7380 | F835M |
| Flange Button Head Socket Screw |
|
M3 to M10 | 12.9 | As Per Unbrako Specification | F835M | |
| Knurled Point Socket Set Screw |
|
M3 to M20 | 45H | B18.3.6M | 4029 | F912M |
| Flat Point Socket Set Screw |
|
M6 to M12 | 45H | B18.3.6M | 4026 | F912M |
| Dog Point Socket Set Screw |
|
M3 to M20 | 45H | B18.3.6M | 4028 | F912M |
| Cone Point Socket Set Screw |
|
M3 to M12 | 45H | B18.3.6M | 4027 | F912M |
| Plain Point Socket Set Screw |
|
M3 to M20 | 45H | B18.3.6M | 4029 | F912M |
| Taper Pressure Plug |
|
M8 to M22 | - | As Per Unbrako Specification |
| PRODUCT | DIAMETER | THREAD | TENSILE PSI / HARDNESS | ANSI/ASME | BS | ASTM | |
|---|---|---|---|---|---|---|---|
| Socket Head Cap Screw |
|
#0 to 2 | 1936 & 1960 UNC/UNF/BSW |
190,000 <1/2 180,000>1/2 |
B18.3 | 2470 | A574 |
| Socket Low Head Cap Screw |
|
#8 to 1/2 | UNC/UNF | 170,000 | As Per Unbrako Specification | F835 | |
| Socket Head Shoulder Screw |
|
1/4 to 2 | UNC | HRC 45-53 | B18.3 | 2470 | |
| Countersunk Socket Head Screw |
|
#4 to 1 1/2 | UNC/UNF | 160,000 | B18.3 | 2470 | F835 |
| Button Head Socket Screw |
|
#10 to 5/8 | UNC/UNF | 160,000 | B18.3 | 2470 | F835 |
| Flange Button Head Socket Screw |
|
#8 to 1/2 | UNC/UNF | As Per Unbrako Specification | 2470 | F835 | |
| Knurled Point Socket Set Screw |
|
#4 to 5/8 | UNC/UNF | HRC 45-53 | B18.3 | 2470 | F912 |
| Plain Point Socket Set Screw |
|
#0 to 5/8 | UNC/UNF | HRC 45-53 | B18.3 | 2470 | F912 |
| Taper Pressure Plug |
|
#3/4 to 7/8 | As Per Unbrako Specification |
Washer
| PRODUCT | SIZE | HARDNESS | STANDARD | |
|---|---|---|---|---|
| Square Section Spring Washer |
|
3mm to 39mm | HV (430 to 530) | DIN 7980 |
| Flat Section Spring Washer |
|
3mm to 39mm | HV (430 to 530) | DIN 127 B |
| Hardened Washer |
|
12mm to 30mm | HV (300 to 370) | IS 2016 |
| Hardened Steel Washer |
|
12mm to 56mm | Rockwell 26 to 45 (HDG) Rockwell 38 to 45 (Coated) |
ASTM F436M |
| Hexagon Wrench Metric (long & short arm) |
|
0.71mm to 32mm | As Per Unbrako Specification | ISO 2936 |
| Hexagon Wrench - Inch (long, 6" & short arm) |
|
1/16 to 1 | As Per Unbrako Specification | BS 2470, ASME B18.3 |
| Hex Driver - Metric |
|
1.5mm to 5.0mm | HRC 40 - 43 | As Per Unbrako Specification |
| PRODUCT | SIZE | TENSILE STRENGTH | STANDARD | |
|---|---|---|---|---|
| USS Plain Washer |
|
1/4 to 1 1/2 | HRC 38-45 | ASME B18.21.1-A |
| SAE Plain Washer |
|
1/4 to 2 | HRC 38-45 (Coated) HRC 26-45 (HDG) |
ASME B18.21.1-A |
| Spring-Lock Washer |
|
1/4 to 1 1/2 | HRC 38-46 | ASME B18.21.1 |
| Hardened Washer |
|
1/4 to 1 3/8 | HRC 38-45 (Coated) HRC 26-45 (HDG) |
ASTM F436 |
Hex Bolts / Screws
| PRODUCT | SIZE | PROPERTY CLASS | TENSILE STRENGTH | STANDARD | |
|---|---|---|---|---|---|
| Hex Head Bolt / Screw |
|
M4 to M80 | 10.9 | 1040N / mm2 min | ISO 4017 (Full Thread) ISO 4014 (Half Thread) |
| PRODUCT | SIZE | GRADE | TENSILE STRENGTH | STANDARD | |
|---|---|---|---|---|---|
| Hex Cap Screw |
|
1/4 to 2 | 8 | 150,000 psi min | ASME B18.2.1 |
| Hex Cap Screw |
|
1/4 to 2 | 5 | 120,000 psi min (1/4 to 1) 105,000 psi min (over 1 to 1-1/2) |
ASME B18.2.1 |
| Hex Bolt |
|
1/4 to 1 | A | 60 Ksi min | ASTM A307 / ASME B18.2.1 |
Hex Nuts
| PRODUCT | 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 |
Stainless Steel
| PRODUCT | SIZE | PROPERTY CLASS | STANDARD | |
|---|---|---|---|---|
| Socket Head Cap Screw |
|
M3 to M30 | A2 - 70/80, A4 - 70/80 | DIN 912 / ISO 4762 |
| Hex Head Screw (Full Thread) |
|
M3 to M30 | A2 - 70/80, A4 - 70/80 | DIN 933 / ISO 4017 |
| Hex Head Bolt (Partial Thread) |
|
M4 to M30 | A2 - 70/80, A4 - 70/80 | DIN 931 / ISO 4014 |
| Hex Nut |
|
M3 to M30 | A2 - 70/80, A4 - 70/80 | DIN 934 / ISO 4032 |
| Plain Washer |
|
M3 to M64 | A2, A4 | DIN 125 A |
| Flat - Section Spring Washer |
|
M3 to M36 | A2, A4 | DIN 127 B |
| Square - Section Spring Washer |
|
M3 to M36 | A2, A4 | DIN 7980 |
| Threaded Rod |
|
M3 to M36 | A2 - 70/80, A4 - 70/80 | DIN 975 |
| PRODUCT | SIZE | GRADE | STANDARD | |
|---|---|---|---|---|
| Socket Head Cap Screw |
|
3/16 to 1 | F837B & F837E | ASME B18.3 / F837 |
| Hex Head Bolt / Screw |
|
1/4 to 1 | F593C, F593D & F593G, F593H | ASME B18.2.1 / ASTM F593 |
| 304, 316 Hex Nut |
|
1/4 to 1 1/2 | F594C, F594D & F594G, F594H | ASME B18.2.2 / F594 |
| Plain Washer |
|
1/4 to 1 | 304, 316 | ANSI B18.21.1 |