UNI 5737
Hexagon Head Bolts – Partial Thread (Italian Standard)
M4 to M52
Coarse Thread
8.8 / 10.9 / A2-70 / A4-70
Hex Head / Partial Thread
8.8 Alloy / Stainless Steel
India
UNI
Salt-spray tested to relevant grade
Per property class / grade
Dry, corrosion-inhibited packing
| Size (M) | s (mm) | k (mm) | b (mm) | L Range (mm) |
|---|---|---|---|---|
| M6 | 10 | 4.0 | 18 | 20–200 |
| M8 | 13 | 5.3 | 22 | 25–200 |
| M10 | 17 | 6.4 | 26 | 30–200 |
| M12 | 19 | 7.5 | 30 | 35–200 |
| M16 | 24 | 10.0 | 38 | 45–200 |
| M20 | 30 | 12.5 | 46 | 55–200 |
| M24 | 36 | 15.0 | 54 | 65–200 |
| M30 | 46 | 18.7 | 66 | 80–200 |
Nominal thread diameter measured across the major thread.
Overall bolt length measured from bearing surface to end.
Threaded portion length measured from bolt end toward head.
Across-flats hex head size for wrench engagement.
Every batch of UNI 5737 Hexagon Head Bolts – Partial Thread (Italian Standard) is manufactured under an ISO 9001:2015 certified quality management system with full in-process control.
A mill test report covering chemical composition, tensile, hardness and dimensional inspection accompanies every UNI 5737 Hexagon Head Bolts – Partial Thread (Italian Standard) shipment.
Commonly stocked UNI 5737 Hexagon Head Bolts – Partial Thread (Italian Standard) sizes leave our warehouse within 48 hours of order confirmation, minimising your downtime.
Established freight and customs partners ensure reliable delivery of UNI 5737 Hexagon Head Bolts – Partial Thread (Italian Standard) to buyers in over 50 countries worldwide.
Non-standard UNI 5737 Hexagon Head Bolts – Partial Thread (Italian Standard) lengths, diameters and special thread pitches are produced to order to match your drawing requirements.
Direct-from-factory pricing on UNI 5737 Hexagon Head Bolts – Partial Thread (Italian Standard) with no middleman markup, offering the best value on volume and repeat orders.
Hardness, tensile strength and dimensional checks for UNI 5737 Hexagon Head Bolts – Partial Thread (Italian Standard) are performed in our in-house laboratory before every release.
Combine UNI 5737 Hexagon Head Bolts – Partial Thread (Italian Standard) with other standard-specification fasteners into a single container shipment to reduce freight costs.
Our specialist team prepares all customs, compliance and shipping paperwork for every UNI 5737 Hexagon Head Bolts – Partial Thread (Italian Standard) export order.