Zoro Select
Zoro Select M51500.050.0040 Carriage Bolt M5x0.80 40 mm 100 pcs
Stainless steel carriage bolts with square necks, M5 × 0.80 thread and 40 mm length, supplied in a 100-piece pack
- TypeScrews & Bolts
- Corrosion-resistant A2 stainless steel for outdoor use
- Square neck prevents rotation during tightening
- DIN 603 compliant dimensions ensure reliable fit
- 101,500 psi tensile strength handles structural loads
- 100-piece pack covers multiple project needs
Product identity
Zoro Select M51500.050.0040 carriage bolts are metric M5 x 0.80 fasteners supplied in a 100-piece pack. They suit maintenance, fabrication and assembly tasks that require a square-neck bolt for wood or metal joints.
Build and mounting
Each bolt is made from 18-8 stainless steel to DIN 603 with a plain finish. The round head measures 12.45 to 13.55 mm across and 3.3 mm high, while the square neck is 5.48 mm wide and 4.10 mm high to resist rotation during tightening.
Performance in use
The A2 grade material provides corrosion resistance for indoor and outdoor exposure. Tensile strength is rated at 101,500 psi, giving reliable clamping force for structural connections under normal service loads.
Highlights
- Corrosion-resistant A2 stainless steel for outdoor use
- Square neck prevents rotation during tightening
- DIN 603 compliant dimensions ensure reliable fit
- 101,500 psi tensile strength handles structural loads
- 100-piece pack covers multiple project needs
Specifications
| Brand | ZORO SELECT |
|---|---|
| Type | Screws & Bolts |
Questions about this item
Does the M5 x 0.80 thread follow DIN 603 dimensions?
Yes, the bolt is manufactured to DIN 603 with a 40 mm length and M5 x 0.80 coarse metric thread.
What square-neck dimensions must the mounting hole match?
The square neck is 5.48 mm wide and 4.10 mm high, so the hole must accommodate those exact dimensions to prevent rotation.
How do I install these carriage bolts without the square neck spinning?
Drive the 5.48 mm square neck into a matching square hole; the 12.45 to 13.55 mm round head and 3.3 mm head height then sit flush while the neck locks against rotation.
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