Overview Reviews Product Description HSS Designed to produce a 2B class of fit Longer overall length (4 - 6" depending on size) Available as a "pulley" style where the shank diameter is not reduced or an "extension" style with reduced shank Spiral point forces the chips ahead of the tap - designed for through hole applications Suitable for various steels (up to 32Rc) and stainless steel Ferrous oxide surface treatment increases wear resistance, improves chip flow and reduces chip welding The ferrous oxide surface treatment also enables the tap to absorb the lubricant / cutting fluid Clarkson Osborn Catalog Product Videos Custom Field Size 5/16"-18 NC Flute length 1-1/8" Overall length 4" Package quantity/sold as each 1 Product Reviews Write a Review Write a Review × Clarkson-Osborn 5/16"-18 NC HSS Blue Wizard® Extension Spiral Point Machine Tap CT68020 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *
Clarkson-Osborn | sku: CLK CT68120 5/16"-18 NC HSS Blue Wizard® Extension Spiral Point Machine Tap CT68120 MSRP: Now: $78.08 Add to Cart Clarkson-Osborn | sku: CLK CT68220 5/16"-18 NC HSS Blue Wizard® Extension Spiral Point Machine Tap CT68220 MSRP: Now: $53.02 Add to Cart Clarkson-Osborn | sku: CLK CT72405 5/16"-18 NC HSS Blue Wizard® Spiral Point Machine Tap CT72405 MSRP: Now: $13.29 Add to Cart Clarkson-Osborn | sku: CLK CT68224 3/8"-16 NC HSS Blue Wizard® Extension Spiral Point Machine Tap CT68224 MSRP: Now: $56.95 Add to Cart
Clarkson-Osborn | sku: CLK CT68220 5/16"-18 NC HSS Blue Wizard® Extension Spiral Point Machine Tap CT68220 MSRP: Now: $53.02 Add to Cart Clarkson-Osborn | sku: CLK CT72405 5/16"-18 NC HSS Blue Wizard® Spiral Point Machine Tap CT72405 MSRP: Now: $13.29 Add to Cart Clarkson-Osborn | sku: CLK CT68224 3/8"-16 NC HSS Blue Wizard® Extension Spiral Point Machine Tap CT68224 MSRP: Now: $56.95 Add to Cart
Clarkson-Osborn | sku: CLK CT72405 5/16"-18 NC HSS Blue Wizard® Spiral Point Machine Tap CT72405 MSRP: Now: $13.29 Add to Cart Clarkson-Osborn | sku: CLK CT68224 3/8"-16 NC HSS Blue Wizard® Extension Spiral Point Machine Tap CT68224 MSRP: Now: $56.95 Add to Cart
Clarkson-Osborn | sku: CLK CT68224 3/8"-16 NC HSS Blue Wizard® Extension Spiral Point Machine Tap CT68224 MSRP: Now: $56.95 Add to Cart