Harbor Freight Tools


1/4 in. - 2-1/8 in. Forstner Drill Bit Set With 3/8 in. Shanks, 16 Pc.

Get clean, flat-bottom holes with this Forstner bit set

Compare to
INSTY-BIT 36191 at $123.63 Save $80.64

+ Add to My List

Check Inventory For This Product At a Store Near You

Product Overview

This Forstner bit set excels at doweling, creating pocket and grommet holes, countersinking screws and drilling out knots in wood. The pre-sharpened Forstner bits cut precision holes without tear-out or burning. This durable high carbon steel Forstner bit set comes in an organized carrying case.

  • Pre-sharpened bits cut precision flat-bottomed holes without tear-out
  • Hardened and precision machined edges, precision ground heads
  • Constructed from durable high carbon steel
  • 3/8 in. reinforced shanks
  • Organized in a blow mold carrying case


57521, 57476
Accessories Included
High carbon steel
Maximum Diameter
2-1/8 in.
Minimum Diameter
1/4 in.
Product Weight
5 lb.
Shipping Weight
4.25 lb.
1/4 in., 3/8 in., 1/2 in., 5/8 in., 3/4 in., 7/8 in., 1 in., 1-1/8 in., 1-1/4 in., 1-3/8 in., 1-1/2 in., 1-5/8 in., 1-3/4 in., 1-7/8 in., 2 in., 2-1/8 in.
Shank size
3/8 in.
CA Residents
Warning - Prop 65 Info
Note: Specifications are approximate and subject to change


We guarantee this product to be free from defects in materials and workmanship 90 days from the date of purchase. Limitations apply.