Overview Reviews Product Description 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° degree thread form 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° Spiral point forces the chips ahead of the tap - designed for through hole applications Bright finish for tapping a wide range of materials but best suited for non-ferrous materials such as aluminum The untreated surface on this tap gives lower friction and good chip flow for softer materials Clarkson Osborn Catalog Product Videos Custom Field Size 5/16"-18 BSW Flute length 22mm Overall length 72mm Package quantity/sold as each 1 Product Reviews Write a Review Write a Review × Clarkson-Osborn 5/16"-18 BSW HSS Bright Wizard® Spiral Point Machine Tap CT81120 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *
Clarkson-Osborn | sku: CLK CT81020 5/16"-18 BSW HSS Blue Wizard® Spiral Point Machine Tap CT81020 MSRP: Now: $29.22 Add to Cart Clarkson-Osborn | sku: CLK CT81128 7/16"-14 BSW HSS Bright Wizard® Spiral Point Machine Tap CT81128 MSRP: Now: $52.88 Add to Cart Clarkson-Osborn | sku: CLK CT81124 3/8"-16 BSW HSS Bright Wizard® Spiral Point Machine Tap CT81124 MSRP: Now: $37.26 Add to Cart Clarkson-Osborn | sku: CLK CT81112 3/16"-24 BSW HSS Bright Wizard® Spiral Point Machine Tap CT81112 MSRP: Now: $30.98 Add to Cart
Clarkson-Osborn | sku: CLK CT81128 7/16"-14 BSW HSS Bright Wizard® Spiral Point Machine Tap CT81128 MSRP: Now: $52.88 Add to Cart Clarkson-Osborn | sku: CLK CT81124 3/8"-16 BSW HSS Bright Wizard® Spiral Point Machine Tap CT81124 MSRP: Now: $37.26 Add to Cart Clarkson-Osborn | sku: CLK CT81112 3/16"-24 BSW HSS Bright Wizard® Spiral Point Machine Tap CT81112 MSRP: Now: $30.98 Add to Cart
Clarkson-Osborn | sku: CLK CT81124 3/8"-16 BSW HSS Bright Wizard® Spiral Point Machine Tap CT81124 MSRP: Now: $37.26 Add to Cart Clarkson-Osborn | sku: CLK CT81112 3/16"-24 BSW HSS Bright Wizard® Spiral Point Machine Tap CT81112 MSRP: Now: $30.98 Add to Cart
Clarkson-Osborn | sku: CLK CT81112 3/16"-24 BSW HSS Bright Wizard® Spiral Point Machine Tap CT81112 MSRP: Now: $30.98 Add to Cart