6Pcs HSS Nano Blue Coated Step Drill Bit With Center Punch Set Hole Cutter Drilling Tool

6Pcs HSS Nano Blue Coated Step Drill Bit With Center Punch Set Hole Cutter Drilling Tool

$54.99
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Descriptions:  6Pcs HSS Nano Blue Coated Step Drill Bit With Center Punch Drill Set Hole Cutter Drilling Tool.     Specifications:  Type: Core Drill Bit;  Materail: High Speed Steel;  Coating: Nano Blue Coated;  Size:(Total Length x Shank Dia x Shank Length) 3/16-1/2: Approx. 57mm x 6mm x 24mm;  1/8-1/2: Approx. 77mm x  6mm x 24mm;  1/4-3/4: Approx. 73mm x 9mm x 24mm;  3/16-7/8: Approx. 77mm x 9mm x 24mm;  1/4- 1-3/8: Approx. 76mm x 9mm x 24mm;  Size Including:  3/16-1/2:  3/16'', 1/4'', 5/16'', 3/8'', 7/16'', 1/2'' 1/8-1/2:  1/8'', 5/32'', 3/16'', 7/32'', 1/4'', 9/32'', 5/16'', 11/32'', 3/8'', 13/32'', 7/16'', 15/32'', 1/2'' 1/4-3/4:  1/4'', 5/16'', 3/8'', 7/16'', 1/2'', 9/16'', 5/8'', 11/16'', 3/4'' 3/16-7/8:  3/16'', 1/4'', 5/16'', 3/8'', 7/16'', 1/2'', 9/16'', 5/8'', 11/16'', 3/4'', 13/16'', 7/8'' 1/4- 1-3/8:  1/4'', 3/8'', 1/2'', 5/8'', 3/4'', 7/8'', 1'', 1-1/8'', 1-1/4'', 1-3/8''    Features:  - This is the new HSS steel large step cone drill titanium bit set hole cutter.  - Whic

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