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A Simple Machine for making large (2 1/2″) diameter wooden screws

$ 33.50

4.8 (456) In stock

Large Diameter Tap & Die Threading kit (1.75)

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A Simple Machine to make large diameter wooden screws – cont'd

How do you install lag screws?

Stronger design shear values than 3/8 lags. Sharp gimlet point for fast installation into wood and OSB. Aggressive thread for holding and withdrawal strength. Spider Drive offers highest level of bit engagement and drivability. Wafer head eliminates need for washer and offers increased pull through strength. Chamfer under head for increased strength. Free Spider Drive bit in every package. 50-pieces per box.

FastenMaster HeadLok Heavy Duty Wood Screws, 0.189 x 2.875

Stronger design shear values than 3/8 lags. Sharp gimlet point for fast installation into wood and OSB. Aggressive thread for holding and withdrawal strength. Spider Drive offers highest level of bit engagement and drivability. Wafer head eliminates need for washer and offers increased pull through strength. Chamfer under head for increased strength. Free Spider Drive bit in every package. 50-pieces per box.

FastenMaster HeadLok Heavy Duty Wood Screws, 0.189 x 2.875

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Machine screws are fully threaded fasteners with a uniform diameter the entire length of the shaft. They are primarily used to fasten metal parts

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For the most comprehensive selection of screws, look for Grip-Rite Fasteners, the most popular brand of fasteners in America. No matter what the

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Screw CK-12 Foundation

This model is composed of a base and elevated board holding a screw. It is made from sturdy wooden construction and is ideal for classroom use. The

Simple Machine - Screw Model

A Simple Machine to make large diameter wooden screws – cont'd

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