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Description
Simpson Strong-Tie SDWH27400SS-R100 Strong-Drive SDWH TIMBER-HEX SS Screw, 0.275-in. x 4-in. 1/2 Hex, Type 316, 100-PackNo predrilling necessary in most applications Can be used in ledger applications Unique "box" thread design with raised ridge technology significantly reduces driving torque and installation time Hex washer head provides large bearing area 1 2 in. hex driver bit included (replacement bit BITHEXR12 R1) Length: 4 in. Type 316 stainless steel for maximum corrosion protection Quantity: 100 Stainless steel structural fasteners designed for lag screw
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.2 ★★★★★
Based on 1969 reviews
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Product Reviews
★★★★★ 5
Great
Format: Hardcover
Great quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026
★★★★★ 5
Buena Calidad
Format: Hardcover
Calidad increíble, muy interesante las imágenes que vienen en cada hoja.
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Reviewed in the United States on April 16, 2026
★★★★★ 4
Corners Damaged on Cover, but the Books Were in Excellent Condition
Format: Hardcover
Books in perfect condition. Cover corners were damaged though.
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Reviewed in the United States on March 27, 2026
★★★★★ 5
VERY EFFICIENT MATERIAL
Format: Paperback
It's the most efficient material to prepare the test.
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Reviewed in the United States on April 1, 2020
★★★★★ 5
All around helpful---worth the money!
Format: Paperback
This guide has been most helpful for all the folks I help prepare for the iTEP test! It gives insight into what each section of the test is looking for along with examples and great tips about actually TAKING the test. In the Writing and Speaking sections, it also gives sample scores and comments from the Master Grader which is very helpful too.
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Reviewed in the United States on August 9, 2019
