Metric and inch bolts and screws to DIN, ISO, JIS and ASME for production lines, equipment maintenance and structural installation. Standard, property class, material and finish are confirmed before quotation.
DIN 912 · ISO 4762 · JIS B1176
Widely used in machinery, jigs and molds. Steel grades 8.8 / 10.9 / 12.9 or stainless.
| Size | Pitch P | Head Ø dk | Head height k | Hex key s |
|---|---|---|---|---|
| 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 |
| M16 | 2 | 24 | 16 | 14 |
| M20 | 2.5 | 30 | 20 | 17 |
| M24 | 3 | 36 | 24 | 19 |
Per ISO 4762 / DIN 912. Length L from 6 to 300 mm depending on size. Unit: mm.
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DIN 931 / 933 · ISO 4014 / 4017 · JIS B1180
Partial or full thread for structures, equipment and machine frames.
| Size | Pitch P | Across flats s | Head height k |
|---|---|---|---|
| M5 | 0.8 | 8 | 3.5 |
| M6 | 1 | 10 | 4 |
| M8 | 1.25 | 13 | 5.3 |
| M10 | 1.5 | 16 (17*) | 6.4 |
| M12 | 1.75 | 18 (19*) | 7.5 |
| M16 | 2 | 24 | 10 |
| M20 | 2.5 | 30 | 12.5 |
| M24 | 3 | 36 | 15 |
Per ISO 4014 / 4017. (*) Across flats per DIN 931 / 933. Unit: mm.
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A2-70 · A4-70 · A4-80
Corrosion resistance for humid, chemical, food-grade and outdoor environments.
| Property class | Material | Tensile Rm (MPa) | Yield Rp0.2 (MPa) |
|---|---|---|---|
| A2-50 | SUS304 | 500 | 210 |
| A2-70 | SUS304 | 700 | 450 |
| A4-70 | SUS316 | 700 | 450 |
| A4-80 | SUS316 | 800 | 600 |
Minimum mechanical properties per ISO 3506-1. 316 (A4) offers better resistance to salt and chemicals. Unit: mm.
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ISO 898-1 · 8.8 / 10.9 / 12.9
For high-load joints: steel structures, industrial machinery, lifting equipment.
| Property class | Tensile Rm (MPa) | Yield Rp0.2 (MPa) | Hardness (HRC) |
|---|---|---|---|
| 8.8 (d ≤ 16) | 800 | 640 | 22 – 32 |
| 8.8 (d > 16) | 830 | 660 | 23 – 34 |
| 10.9 | 1040 | 940 | 32 – 39 |
| 12.9 | 1220 | 1100 | 39 – 44 |
Minimum mechanical properties per ISO 898-1. Property class is marked on the head. Unit: mm.
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J / L · M12 – M36
J and L anchor bolts, expansion and chemical anchors for machine and structure installation.
| Parameter | Value |
|---|---|
| Types | J, L, straight, U; expansion and chemical anchors |
| Thread | M12 – M36 |
| Length | 300 – 1500 mm (to drawing) |
| Grade | 4.6 · 5.6 · 6.6 · 8.8 |
| Finish | Plain, zinc plated, hot-dip galvanized |
| Supplied with | Nuts and washers on request |
Anchor bolts are made to the foundation drawing of each project. Unit: mm.
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ISO 7379 · JIS B1180
Precision-ground shoulder used as a pivot or guide in moving mechanisms.
| Shoulder Ø d1 (f9) | Thread d2 | Head Ø dk | Head height k | Hex key s |
|---|---|---|---|---|
| 6 | M5 | 10 | 4.5 | 3 |
| 8 | M6 | 13 | 5.5 | 4 |
| 10 | M8 | 16 | 7 | 5 |
| 12 | M10 | 18 | 8 | 6 |
| 16 | M12 | 24 | 10 | 8 |
| 20 | M16 | 30 | 14 | 10 |
Per ISO 7379. Shoulder tolerance f9; shoulder length 6 – 120 mm. Unit: mm.
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ISO 10642 · ISO 7380 · ISO 7045
Hex socket or Phillips drive for flush, neat surfaces and electrical assemblies.
| Size | Countersunk dk | Countersunk k | Button dk | Button k | Hex key s |
|---|---|---|---|---|---|
| M3 | 6.72 | 1.86 | 5.7 | 1.65 | 2 |
| M4 | 8.96 | 2.48 | 7.6 | 2.2 | 2.5 |
| M5 | 11.2 | 3.1 | 9.5 | 2.75 | 3 |
| M6 | 13.44 | 3.72 | 10.5 | 3.3 | 4 |
| M8 | 17.92 | 4.96 | 14 | 4.4 | 5 |
| M10 | 22.4 | 6.2 | 17.5 | 5.5 | 6 |
| M12 | 26.88 | 7.44 | 21 | 6.6 | 8 |
Countersunk hex socket per ISO 10642 (90°); button head per ISO 7380. Unit: mm.
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ISO 7049 · DIN 7500
Form their own threads in thin sheet metal or plastics without pre-tapping.
| Size | Pitch P | Head Ø dk | Head height k |
|---|---|---|---|
| ST2.2 | 0.8 | 4.0 | 1.6 |
| ST2.9 | 1.1 | 5.6 | 2.4 |
| ST3.5 | 1.3 | 7.0 | 2.6 |
| ST4.2 | 1.4 | 8.0 | 3.1 |
| ST4.8 | 1.6 | 9.5 | 3.7 |
| ST5.5 | 1.8 | 11.0 | 4.0 |
| ST6.3 | 1.8 | 12.0 | 4.6 |
Pan head cross-recessed tapping screws per ISO 7049. Thread-forming screws per DIN 7500 / maker standards. Unit: mm.
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DIN 913 – 916 · DIN 975
Set screws with various points, double-end studs and threaded rods for hangers and installation.
| Size | Pitch P | Hex key s | Threaded rod DIN 975 |
|---|---|---|---|
| M3 | 0.5 | 1.5 | 1 m |
| M4 | 0.7 | 2 | 1 m |
| M5 | 0.8 | 2.5 | 1 m |
| M6 | 1 | 3 | 1 / 2 / 3 m |
| M8 | 1.25 | 4 | 1 / 2 / 3 m |
| M10 | 1.5 | 5 | 1 / 2 / 3 m |
| M12 | 1.75 | 6 | 1 / 2 / 3 m |
| M16 | 2 | 8 | 1 / 2 / 3 m |
Set screws: flat point DIN 913, cone point DIN 914, cup point DIN 916. Rods cut to length on request. Unit: mm.
Quote this item →| Standards | DIN · ISO · JIS · ASTM · ANSI · TCVN |
|---|---|
| Common sizes | M3 – M36 (other sizes on request) |
| Property classes | 4.8 · 8.8 · 10.9 · 12.9 · A2-70 · A4-70 · A4-80 |
| Materials | Carbon steel, alloy steel, stainless 201 / 304 / 316, brass |
| Surface finish | Black oxide, zinc electroplating, hot-dip galvanizing, Dacromet / Geomet, nickel plating |
| Documents | CO, CQ, Mill Test Certificate, inspection report (on request) |
Standard (e.g. DIN 912), size (e.g. M8×30), property class or material, finish, quantity and required date. Photos or samples can also be shared via Zalo.
Yes. We handle JIS requirements and clarify any differences from DIN/ISO (thread pitch, head dimensions, property class) before quoting.
We propose equivalent options and discuss their technical suitability with you. No substitution is made without your approval.
Send part numbers, quantities or drawings. We will get back to you to clarify specs and propose the right solution.
