(100 Pieces) 5/16-18X3/4" Grade 8 Hex Flange Grain Bin Bolts Screws Rubber Washer UNC Coarse Full Threads Zinc Clear
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5% off when you buy 4 or more.
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Get 5% off your next purchase.
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Enjoy free delivery on orders above A$300.
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Orders are processed and shipped from Victoria, Australia.
Free return pickup available
We’ll handle returns from your doorstep at no extra cost.
Estimate delivery times: 12-26 days (International).
3-6 days (Domestic)
3-6 days (Domestic)
Guaranteed Safe Checkout
30-Day Return Guarantee
Confidence-backed purchases with 30-day return support.
- 100 Pieces Total
- Diameter/Pitch: 5/16"-18 | Length Under Head: 3/4"
- Wrench Size: 1/2" | Grade: 8
- Finish: Zinc Clear
- Threading: Coarse Full
Package Dimensions:
0.31 inches x 0.75 inches x 0.75 inches. Weight: 3.22 lb
Specification:
| Item model number | 31C75BGB8Z/EPDMWSR-100 |
| Thread Size | 5/16"-18 |
| Number of Items | 100 |
| Grade Rating | Grade 8 |
| Product Dimensions | 0.75 x 0.31 x 0.75 inches; 3.22 Pounds |
| Material | Carbon Steel |
| Manufacturer Grade | Grade 8 |
| Exterior Finish | Zinc |
| Manufacturer | BoltsandNuts.com |
Shipping & Delivery
At SecretGreen, we aim to deliver your order as quickly and safely as possible.
Domestic Shipping :
Orders are typically delivered within 3–6 business days.
International Shipping:
Estimated delivery time is 12–26 business days, depending on the destination and customs processing.
You will receive a tracking number once your order has been dispatched. Delivery times may vary during holidays or due to unforeseen delays.