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OneSource
1/4-20 x 1-1/4 Inch Coarse Zinc Plated A307 Grade A Round Head Step Bolt
Item C38.14.114
Step bolts which bolt down wood to wood surfaces are like a carriage bolt in design. However step bolts have a wider lower-profile round head. Step bolts are preferred for use on wood connections (like decking) where the larger diameter head of the step bolt will not pull through the soft wood.
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Key Specifications
| Length | 1-1/4 Inch |
| Thread Type | Coarse |
| Head Style | Round |
| Material | Steel |
| Finish | Zinc |
| Grade | A307 |
Description
Description
Step bolts which bolt down wood to wood surfaces are like a carriage bolt in design. However step bolts have a wider lower-profile round head. Step bolts are preferred for use on wood connections (like decking) where the larger diameter head of the step bolt will not pull through the soft wood.
- Finish as per ASTM F1941M Fe/Zn 3AT
- Grade: A
- Item: Step Bolt
Specifications
General
- Finish
- Zinc
- Material
- Steel
- Measurement System
- Inch
- Type
- Full Threaded
- Origin
- Imported
Dimensions
- Length
- 1-1/4 Inch
- Thread Type
- Coarse
- Diameter
- 1/4 Inch
- Threads Per Inch
- 20
- Thread Length
- 1-1/4 Inch
- Head Diameter
- 0.813 – 0.844 Inch
- Head Height
- 0.125 – 0.145 Inch
- Body Diameter
- 0.237 – 0.260 Inch
- Square Width
- 0.245 – 0.260 Inch
- Square Depth
- 0.125 – 0.156 Inch
Features
- Grade
- A307
- Head Style
- Round
Certifications & Standards
- Standards
- ASME/ANSI B18.5 - ASTM A307
