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AG048 Set of 14 Ridgway 240 Jennings Pattern Augers

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AG048 Set of 14 Ridgway 240 Jennings Pattern Augers


Fourteen fine thread No.240 Jennings pattern bits by William Ridgway of Sheffield in excellent condition. Screws, spurs and cutters are all in good condition. Supplied in a new British made 18 pocket canvas auger roll.

Jennings pattern auger bits are made by twisting a flat forging into a spiral, this produces two flutes and opposing lands that support the bit in the hole, making them balanced and accurate. Widely regarded as the best bits for use in hardwoods, the fine thread version soon became popular with furniture makers and remains so to this day.

The double twist rests evenly on opposite sides of the hole, so the bit naturally wants to stay straight. The cutting lips release a circle of timber just ahead of the main cutting edge so that the main edges can plane out the waste with ease.

As with all self feeding augers, the best way to get a clean exit hole is to clamp a block of scrap on the exit side so that the surrounding timber is backed up and the lead screw still has something to bite into. Alternatively feel for the screw tip coming through on the exit side, flip it around and drill from the back to meet the original hole.

Sizes: 3/16" - 1" by sixteenths.

These augers are pre-owned and not covered by our Lifetime Warranty - please see Terms and Conditions.

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