Nimomo 7Pcs Square Hole Drill Bit,Square Countersink Drill Bit Set Mortising Chisel Drill Bits HSS Woodworking Hole Saw Mortising Chisel Bits, 1/4, 5/16, 3/8, 2/5,1/2, 9/16, 5/8-Inch

• ★ 7 PCS SET: A total of 7 square hole drill bits with specifications of 1/4in 5/16in 3/8in 2/5in 1/2in 9/16in 5/8in for your use to meet different needs.
• ★ HSS MATERIAL: Square Hole Mortise Chisel Drill Bit Tools are made from high speed steel material, heat treated, these square drill bits have high hardness and long service life.
• ★ WIDELY USED: Square drill bits are very suitable for drilling square holes in wood with mortise machine or mortise accessories.
• ★ SHARPLY CHISEL: These countersink drill bits are equipped with sharply square chisels to improve your work efficiency.
• ★ PRECISE SIZE: These square hole drill bits are fine made, with precise size, could perfectly match with the electric machine.

Specification: Item Type: Woodworking Square Drill Bits Material: HSS Hole Drilling Size: 6.4mm (1/4 inch) 8.0mm (5/16 inch) 9.5mm (3/8 inch) 10mm (2/5 inch) 12.7mm (1/2 inch) 14mm (9/16 inch) 16mm (5/8 inch) Package List:7 x Woodworking Square Drill Bits7 x Storage Box