B200 2-Flute Doodad™ Whip Guide Bushings
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Drill straighter gun barrels with whip guide bushings from F.J. Feddersen.
F.J. Feddersen’s 15 mm (B200 Series) 2-Flute Doodad™ Whip Guide Bushings are essential accessories for drilling straight and accurate gun barrels during manufacturing. The higher the RPM, the more the tube will whip because the tube has been crimped 110-120 degrees off-center. The result is a tube that is out of balance. FJ Feddersen’s Whip Guide Bushings help to tame the whipping by centering the drill. There is no way to stop single flute gun drills from whipping without using guide bushings such as these. FJF Feddersen makes Whip Guide Bushings in the most popular sizes for practically every application up to 65mm.
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Info | SKU | Series | Gun Drill Size | Tube Diameter | Bushing ID | Web Width | Pricing |
|---|---|---|---|---|---|---|---|
 | 2D218 | B100 Series 8 mm | * | 0.070 In. 1.77 mm | 0.065 In. 1.65 mm | 0.14 | $4.48 |
| 2D234 | B200 Series 15 mm | 0.25 | 0.234 In. 5.94 mm | 0.218 In. 5.53 mm | 0.150 in. | $3.00$4.00 |
| 2D265 | B200 Series 15 mm | 0.281 | 0.265 In. 6.73 mm | 0.250 In. 6.35 mm | 0.168 in. | $3.00$4.00 |
| 2D296 | B200 Series 15 mm | 0.312 | 0.296 In. 7.51 mm | 0.281 In. 7.13 mm | 0.187 in. | $3.00$4.00 |
| 2D328 | B200 Series 15 mm | 0.343 | 0.328 In. 8.33 mm | 0.312 In. 7.92 mm | 0.206 in. | $3.00$4.00 |
| 2D359 | B200 Series 15 mm | 0.375 | 0.359 In. 9.11 mm | 0.343 In. 8.71 mm | 0.225 in. | $3.00$4.00 |
| 2D375 | B200 Series 15 mm | 0.39 | 0.375 In. 9.52 mm | 0.359 In. 9.11 mm | 0.234 in. | $3.00$4.00 |
| 2D390 | B200 Series 15 mm | 0.406 | 0.390 In. 9.90 mm | 0.375 In. 9.52 mm | 0.244 in. | $3.00$4.00 |
| 2D406 | B200 Series 15 mm | 0.421 | 0.406 In. 10.31 mm | 0.390 In. 9.9 mm | 0.250 in. | $3.00$4.00 |