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Description
Simpson Strong-Tie SDCF27778-R30 Strong-Drive (0.725" x 7-7/8") T50 Yellow Zinc Timber-CF Screw, Flat Head w/ Nibs (30 Pack)Simpson Strong Tie SDCF27778 R30 Description The Strong Drive SDCF Timber CF Screw is designed for interior wood applications, offering high withdrawal resistance and a flush finish. Simpson Strong Tie SDCF27778 R30 Includes (30) Yellow Zinc Coated Timber CF Screw Simpson Strong Tie SDCF27778 R30 Features Designed to be countersunk with head flush to wood surface Fully threaded to provide high withdrawal resistance Flat head with nibs helps
Simpson Strong-Tie SDCF27778-R30 Description
The Strong-Drive SDCF Timber-CF Screw is designed for interior wood applications, offering high withdrawal resistance and a flush finish.
Simpson Strong-Tie SDCF27778-R30 Includes
- (30) Yellow Zinc Coated Timber-CF Screw
Simpson Strong-Tie SDCF27778-R30 Features
- Designed to be countersunk with head flush to wood surface
- Fully threaded to provide high withdrawal resistance
- Flat head with nibs helps countersink the screw for a flush finish
- Heavy-duty, fully-threaded shank provides strength, with superb withdrawal resistance
- Head stamp includes length in mm for inspection
- Interior grade yellow-zinc coating
- Deep 6-lobe recess for a secure drive
Simpson Strong-Tie SDCF27778-R30 Applications
- Beam reinforcement
- Wall-to-wall connections
- Floor-to-floor connections
- Support beams
- Butt joints
Simpson Strong-Tie SDCF27778-R30 Specifications
| Coating/Material | Yellow-Zinc Coated |
| Length (in.) | 7 7/8 |
| Head Diameter (in.) | 0.725 |
| Shank Diameter (in.) | 0.29 |
| Drive Type | T50 6-Lobe |
| Head Type | Flat Head with Nibs |
| Thread Length (in.) | 7 5/8 |
| Packaging Qty. | 30 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
Great Looking Shelf
Color: Brown, Size: 4Tier48in, Color: Brown, Size: 4Tier48in
I love this shelf! It took two people to hang it and you definitely want to ensure you hit a stud on at least one side or 1-2 screws if mounting between studs. It is heavy but a single person can lift it, just not maneuver easily due to its dimensions. It has a ton of room and fits mini helmets nicely in my office. Where I mounted it made it difficult to an extent to install but if you are even somewhat handy, you’ll be fine. You absolutely need a stud finder to hang this shelf. Sorry, I’m married! I would buy this shelf, or versions of it, again. Very practical and useful to display autographs, housewares or decor.
Last note: do not over tighten the poles. The wood is soft and the poles are light weight. They are not traditional black pipe and weigh far less.
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Reviewed in the United States on November 11, 2025
★★★★★ 5
Very satisfied!
Color: Brown, Size: 3Tier48in, Color: Brown, Size: 3Tier48in
Quality product, very sturdy, real wood shelves, easy to put together and mount. Not too heavy and the size is nice.
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Reviewed in the United States on April 12, 2026
★★★★★ 5
AWESOME Look and Quality
Color: Brown, Size: 2Tier60in
I love these shelves and have bought additional for other areas in the house. I love the look of the industrial pipes, the color of the shelves is perfect, they are sturdy and hold a lot of weight. They are somewhat difficult to assemble, but it's expected as hanging shelves are never fun to hang. I love them. If you are on the fence, just do it :)
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Reviewed in the United States on October 10, 2025
★★★★★ 4
Nice, but a bear to install
Color: Black, Size: 3Tier48in
Quality product that looks good on our shiplap wall of the wet bar space. The install was a real trip and extremely difficult. You definitely need 2 or more people to install as the direction tell you to put the entire item together, then hang on the wall. This makes it impossible to do yourself.
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Reviewed in the United States on April 20, 2026
★★★★★ 5
Exactly what I was looking for
Color: Brown, Size: 3Tier48in, Color: Brown, Size: 3Tier48in
Very sturdy shelves and super easy to put together. I would put the shelves together starting with the bottoms then after it’s put together tighten everything up also starting from the bottom.
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Reviewed in the United States on March 16, 2026