Overview Reviews Product Description HSS Straight shank Black oxide finish for increased wear resistance and added lubricity 118° Degree point Fractional and metric sizes in various overall lengths / flute lengths for each diameter For general purpose deep drilling or applications where extra reach is required in a wide range of materials Not suitable for hand drilling Note: Sizes tagged in catalog with an asterisk have a 1/2" reduced shank Clarkson Osborn Catalog Product Videos Custom Field Diameter 5/16" Flute length 7-1/2" Overall length 10" Package quantity/sold as each 1 Product Reviews Write a Review Write a Review × Clarkson-Osborn 5/16" HSS Extra Long Drill Bit DR40420 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *
Clarkson-Osborn | sku: CLK DR40976 5/16" HSS Extra Long Drill Bit DR40976 MSRP: Now: $104.25 Add to Cart Clarkson-Osborn | sku: CLK DR40520 5/16" HSS Extra Long Drill Bit DR40520 MSRP: Now: $60.25 Add to Cart Clarkson-Osborn | sku: CLK DR40991 5/16" HSS Extra Long Drill Bit DR40991 MSRP: Now: $104.34 Add to Cart Clarkson-Osborn | sku: CLK DR40320 5/16" HSS Extra Long Drill Bit DR40320 MSRP: Now: $40.42 Add to Cart
Clarkson-Osborn | sku: CLK DR40520 5/16" HSS Extra Long Drill Bit DR40520 MSRP: Now: $60.25 Add to Cart Clarkson-Osborn | sku: CLK DR40991 5/16" HSS Extra Long Drill Bit DR40991 MSRP: Now: $104.34 Add to Cart Clarkson-Osborn | sku: CLK DR40320 5/16" HSS Extra Long Drill Bit DR40320 MSRP: Now: $40.42 Add to Cart
Clarkson-Osborn | sku: CLK DR40991 5/16" HSS Extra Long Drill Bit DR40991 MSRP: Now: $104.34 Add to Cart Clarkson-Osborn | sku: CLK DR40320 5/16" HSS Extra Long Drill Bit DR40320 MSRP: Now: $40.42 Add to Cart
Clarkson-Osborn | sku: CLK DR40320 5/16" HSS Extra Long Drill Bit DR40320 MSRP: Now: $40.42 Add to Cart