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Super Set of Ridgway Jennings Pattern Auger Bits

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AG037 Super Set of Ridgway Jennings Pattern Auger Bits


A super set of sixteen (3/16 to 1 inch by sixteenths plus 1-1/8" and 1-1/4") Jennings pattern bits by William Ridgway of Sheffield plus two countersinks and a half inch screwdriver bit. All bits are in excellent condition with polished flutes, long spurs and cutters and crisp threads. There are a few cosmetic marks on the shank of the 1-1/8", the rest look to be a mixture of factory fresh or sharpened once. 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. 

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

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