| Elevator Bolts: Dimensions (ANSI/ASME B18.5) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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Nominal Size Click on size to search products |
Body Diameter (E) | Head Diameter (A) | Head Height (H) | Square Width (O) | Square Depth (P) | ||||||
| Max | Min | Max. Edge Sharp | Min. Edge Sharp | Min. Edge Flat | Max | Min | Max | Min | Max | Min | |
| 1/4 | .260 | .237 | 1.008 | .969 | .938 | .098 | .078 | .280 | .245 | .219 | .188 |
| 5/16 | .324 | .298 | 1.227 | 1.188 | 1.157 | .114 | .094 | .342 | .307 | .250 | .219 |
| 3/8 | .388 | .360 | 1.352 | 1.312 | 1.272 | .145 | .125 | .405 | .368 | .250 | .219 |
* Length of an elevator bolt is measured from the top of the head to the extreme end of the bolt.
| Elevator Bolts: Tolerance on Length | ||||
|---|---|---|---|---|
| Nominal Bolt Size | Nominal Bolt Length | |||
| Up to 1" | Over 1" - 2-1/2" | Over 2-1/2" - 4" | ||
| 1/4 "- 3/8" |
+0.02, -0.03 | +0.02, -0.04 | +0.04, -0.06 | |
| Elevator Bolts: Performance & Mechanical Specs | |
|---|---|
|
Description |
Bolt with a wide, countersunk flat head, a shallow conical bearing surface, an integrally-formed square neck under the head, and a unified thread pitch. |
| Applications |
Commonly used in conveyor systems |
| Material |
AISI 1006 - 1050 or equivalent steel |
| Core Hardness |
1/4" - 3/8" diameter, all lengths: Rockwell B70-B100 |
| Proof Load |
1/4" - 3/8" diameter, all lengths: 33,000 psi |
| Yield Strength |
1/4" - 3/8" diameter, all lengths: 36,000 psi min |
| Tensile Strength |
1/4" - 3/8" diameter, all lengths: 54,000 psi min |
| Elongation |
18% min |
| Reduction of Area |
35% |
| Minimal Thread Length |
The minimum length of thread shall be equal to twice the basic bolt diameter plus 0.25" |
Additional Resources
