Clarkson-Osborn

#39 TiN Coated Solid Carbide Stub Drill Bit SC12739T

Premium submicron grain carbide Bright finish (TiN and TiAIN coatings available) 135° Four facet point Slow spiral for tough drilling applications Precision ground carbide drills are designed for...

#39 x 1/4"-28 Cobalt Threaded Shank Adapter Drill DR68739

M42 (8% Cobalt) - cobalt drills offer increased hardness, 1/4"-28 threaded shank provides a secure fit in the tool holder Toughness and better wear resistance compared to regular HSS Black oxide...

#39 x 1/4"-28 HSS Threaded Shank Adapter Drill DR68239

M42 (8% Cobalt) - cobalt drills offer increased hardness, 1/4"-28 threaded shank provides a secure fit in the tool holder Toughness and better wear resistance compared to regular HSS Black oxide...

#4 - 0.66 BA HSS Blue Merlin® Spiral Flute Machine Tap CT80404

HSS For general purpose applications Helix angle of 30° - 35° degrees depending on size BSW (British Standard Whitworth) is similar to UNC but differs in that the thread form for a BSW is 55° vs. the...

#4 - 0.66 BA HSS Blue Wizard® Spiral Point Machine Tap CT81404

HSS BSW (British Standard Whitworth) is similar to UNC but differs in that the thread form for a BSW is 55° vs. the 60° for UNC BSF (British Standard Fine) is a finer pitch series, also with a 55°...

#4 - 0.66 BA HSS Bright Merlin® Spiral Flute Machine Tap CT80504

HSS For general purpose applications Helix angle of 30° - 35° degrees depending on size BSW (British Standard Whitworth) is similar to UNC but differs in that the thread form for a BSW is 55° vs. the...

#4 - 0.66 BA HSS Hex Die Nut TA81904

HSS British Standard Whitworth (BSW), British Standard Fine (BSF), and British Association (BA) thread styles These dies are suitable for cutting new threads Used for threading studs, bolts and rods...

#4 - 0.66 BA HSS Warwick® Bottoming Hand Tap TA38044

Premium HSS hand tap Ground thread Bright finish BA (British Association) is a metric thread system devised by the British for small screws used in components with a thread form of 47 ½° Available in...

#4 - 0.66 BA HSS Warwick® Hand Tap Set TA38041

Premium HSS hand tap Ground thread Bright finish BA (British Association) is a metric thread system devised by the British for small screws used in components with a thread form of 47 ½° Available in...

#4 - 0.66 BA HSS Warwick® Plug Hand Tap TA38043

Premium HSS hand tap Ground thread Bright finish BA (British Association) is a metric thread system devised by the British for small screws used in components with a thread form of 47 ½° Available in...

#4 - 0.66 BA HSS Warwick® Taper Hand Tap TA38042

Premium HSS hand tap Ground thread Bright finish BA (British Association) is a metric thread system devised by the British for small screws used in components with a thread form of 47 ½° Available in...

#4 - 0.66 BA x 13/16" HSS Round Die TA44004

HSS General purpose BA (British Association) is a metric thread system devised by the British for small screws used in components with a thread form of 47 ½° Used for threading studs, bolts and rods...