What size drill bit for a 3/8 inch 3-inch deck screw

What size drill bit for a 3/8 inch 3-inch deck screw - Google Search

UPDATE: Here's a real world answer for using a 3/8-inch x 4-inch deck screw. The project was the reinforcement of a 4'x8' homemade beer pong table that was being converted to an outdoor workbench and garden table. A 1/4" drill bit was used to make a pilot hole through a tabletop 1-inch overhang lip edge into a 4" x 4" table leg. Drilling was smooth and driving the black lag bolt screw with a hex top with a ratchet wrench was also smooth. During tightening a level was used to make sure the tabletop was level and the table was level perpendicularly. Each leg will probably have four lag screws to tighten up the security and strength of the table.

The search results were not especially helpful because the screws were referred as a number instead of a measurement. There was superfluous information about threads per inch that wasn't needed. The screw box container didn't even mention threads per inch (TPI). The biggest help was making the pilot hole slightly smaller than the lag screw dimension.

What size pilot hole for 3" deck screw? | DIY Home Improvement Forum - Chat recommends using WS-40 oil or candle wax or parafin canning type wax

Drill bit sizes for drilling screw pilot holes -- a table for choosing drill bit sizes for drilling screw pilot holes.

Fastener Guides - Pilot Hole Drill Bit Sizing | Fastener SuperStore | Bulk Industrial Fasteners -- also has a table.

Top Search Results Monday, August 26, 2024 ...

Fastener Guides - Pilot Hole Drill Bit Sizing

Fastener SuperStore

https://www.fastenersuperstore.com › fastener-guides

Many types of screws require that a pilot hole be drilled before they are installed. Self-drilling screws can, of course, drill their own pilot hole, but other types of tapping, thread cutting, thread forming or thread rolling screws need help getting started. Blunt tipped screws like Type B Tapping, Type F Thread ...

Drilling Chart for Screw Sizes

McFeely's

https://www.mcfeelys.com › drilling_chart

McFeely's Chart for Pre-drilling using Standard, Tapered and Brad Point drill bits for drilling the size and depth for pilot holes and countersinks.

r/woodworking - What size pilot hole for #8 (3in) wood screw

Reddit · r/woodworking

10+ comments · 1 year ago

A #8 screw is 5/32nds. Pilot holes is hardwood should be 7/64ths and 3/32nds for softwood.

11 answers

Top answer:

Depends on what thread-pitch you are looking for. Common UNC 3/8 is 16 TPI, meaning your ...

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Dec 6, 2019

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5 answers

Aug 11, 2019

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Aug 18, 2019

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8 answers

Mar 31, 2020

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Picking the Right Drill Bit Size for a Screw

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200K+ views · 4 years ago

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Search hex head black ceramic lag bolt screw for deck on Amazon

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What size drill bit for a 3/8 inch 3-inch deck screw