4 Week Backfill Drill - The size of 4-week backfill bit is a half of a large barrel bit which is used for the trench backfill of 4 weeks'' growth of nail. This bit is large enough to be used to cut the entire nail plate.
4 Week Inverted Backfill Drill - With shape of inverted cone, this backfill bit is often used to trim the form.
4 Week Tapered Backfill Drill - With the new design, this half size of a tapered bit is created for the trench backfill of 4 weeks'' growth of nail.
Shank: 3/32'' (2.35mm)
Made of High Quality Tungsten Carbide
Grit: Middle
Flute Size: Dia.6.6mm / 0.26''. Overall Length: 32mm / 1.26''

Technical Details

Product Details

Package Dimensions
Width : 4.33 inch
Height : 0.71 inch
Length : 5.12 inch

Shipping Weight: 0.32 ounce (View shipping rates and policies)

ASIN : B01MTZL6V6