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AG059 Set of 8 Ridgway 240 Jennings Bits + Extras

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AG059 Set of 8 Ridgway 240 Jennings Bits + Extras


A very well cared for set of lightly used Jennings pattern brace shank auger bits by William Ridgway of Sheffield. sizes: 1/4" to 3/8" by sixteenths, then up to 1" by eighths, plus a 1-1/4" improved pattern centre bit for counterbores for nuts etc (always cut the wide diameter first).  Also included are an unused rose countersink and a lovely sharp tapered rimer for opening out holes in thin material to diameter. 

The twin flutes of the 'Jennings pattern double spur extension lip auger bit' keep it nicely balanced in the hole for smooth, clean, accurate boring. The bits are forged from round bars into a flat tongue and then twisted into shape on a specially adapted lathe. The grain of the forged steel running continuously through the helix makes them very strong. The tips are formed by closed die forging and the nose threaded on a lathe before moving on to centreless grinding to accurately esablish the diameter, the flutes and shanks are hand ground.

1/4" to 3/8" by sixteenths
1/2" to 1" by eighths 
plus a 1-1/4" 1066 centre bit

Supplied in a new British made heavy canvas auger roll.

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

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