What is the exact length of the longest bit in the set?

All the hex drill bits in the set have the same length of 6-inch.

Are these made on the USA?

All the bits are made in China, Bosch supplier with professional drill bit technology, outstanding performance!

Will these work on cement fiber board siding? Can't nail anything into the siding; trying to hang outside wreaths. Thx.

I have never drilled cement fiber board but I am thinking that they would. Carbide tipped drills are used on masonry, concrete walls, and rock. Like any drill they will get dull and then the job gets harder. Good luck.

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Description

🔨 Drill smarter, not harder—master every surface with EZARC precision!

SIZE VERSATILITY - Five essential sizes from 5/32" to 3/8" to tackle every project with confidence
HEX SHANK STABILITY - Secure fit in impact and hammer drills to prevent slippage under pressure
TURBO CHIP CLEARANCE - Wide 'U' flute design speeds up debris removal for faster, cleaner holes
MULTI MATERIAL MASTERY - Effortlessly drills brick, tile, wood, metal & more—one set to rule them all
PRECISION CARBIDE HEAD - Engineered for sharpness and long-lasting drilling power

The EZARC Masonry Drill Bit Set features five carbide-tipped bits with a wide 'U' flute design and hex shanks, delivering durable, efficient drilling across brick, concrete, tile, wood, metal, and more. Compatible with impact and hammer drills, this set is engineered for professionals and DIYers seeking reliable, versatile performance.

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