Overview Reviews Product Description HSS Black oxide finish for increased wear resistance and added lubricity 135° Degree split point for fast penetration and accurate starting (self-centering) which eliminates "walking" and reduces the thrust force needed Longer overall length but shorter flute length for maximum rigidity Used where extra reach is required or for drilling holes in hard-to-reach places Ideal for a wide range of materials Clarkson Osborn Catalog Product Videos Custom Field Diameter 5/16" Flute length 3-3/16" Overall length 12" Package quantity/sold as each 1 Product Reviews Write a Review Write a Review × Clarkson-Osborn 5/16" HSS Aircraft Extension Drill Bit DR65020 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *
Clarkson-Osborn | sku: CLK DR64020 5/16" HSS Aircraft Extension Drill Bit DR64020 MSRP: Now: $23.88 Add to Cart Clarkson-Osborn | sku: CLK DR64216 #16 HSS Aircraft Extension Drill Bit DR64216 MSRP: Now: $6.29 Add to Cart Clarkson-Osborn | sku: CLK DR65216 #16 HSS Aircraft Extension Drill Bit DR65216 MSRP: Now: $16.51 Add to Cart Clarkson-Osborn | sku: CLK DR64205 #5 HSS Aircraft Extension Drill Bit DR64205 MSRP: Now: $7.54 Add to Cart
Clarkson-Osborn | sku: CLK DR64216 #16 HSS Aircraft Extension Drill Bit DR64216 MSRP: Now: $6.29 Add to Cart Clarkson-Osborn | sku: CLK DR65216 #16 HSS Aircraft Extension Drill Bit DR65216 MSRP: Now: $16.51 Add to Cart Clarkson-Osborn | sku: CLK DR64205 #5 HSS Aircraft Extension Drill Bit DR64205 MSRP: Now: $7.54 Add to Cart
Clarkson-Osborn | sku: CLK DR65216 #16 HSS Aircraft Extension Drill Bit DR65216 MSRP: Now: $16.51 Add to Cart Clarkson-Osborn | sku: CLK DR64205 #5 HSS Aircraft Extension Drill Bit DR64205 MSRP: Now: $7.54 Add to Cart
Clarkson-Osborn | sku: CLK DR64205 #5 HSS Aircraft Extension Drill Bit DR64205 MSRP: Now: $7.54 Add to Cart