as shown m8x1.25 union butterfield taps, these have been used but still pretty sharp. they got a little surface rust before I oiled them but they will still work just fine. also only used on the bottom half.
GREENFIELD TAP & DieStandard Pipe Tap Thread Size: 1-1/4-11-1/2Thread Standard: NPTFMaterial: HSS Finish: BrightOverall Length: 4"Projection: 0.5650"Thread Length: 1-3/4"Tap Type: Short ProjectionShank Diameter: 1.3125"Square Size: 0.9840"Number of Flutes: 4Chamfer: Bottoming16294 MADE in USA
These standard style taps have straight flutes of a number specified as either standard or optional. Hand taps are for general purpose applications such as production tapping or hand tapping operations. Plug and bottoming styles provide versatility in tough materials, blind and through holes.
Designed to increase performance in tough steels & exotic metals Applications Hard Steel Specially designed for materials from 240 BHN (Brinell Hardness Number) to 350 BHN. Rake angle and relief are adapted to provide higher productivity. Improved the toughness of the tap.
Designed to increase performance in tough steels & exotic metals Applications Hard Steel Specially designed for materials from 240 BHN (Brinell Hardness Number) to 350 BHN. Rake angle and relief are adapted to provide higher productivity. Improved the toughness of the tap.
OSG HY-PRO HXL 1-1/8-12 Spiral Flute Tap"Horizontal Tapping Solutions for the Oil & Gas Industry" Class of Fit: 2BNumber of Flutes: 5Chamfer: Modified BottomingThread Length: 2-9/16"Overall Length: 150mm
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