Straight Flute Pipe Tap NPS 581

A French-brand pipe thread tap built from HSS, the NPS 581, ideal for PT/PF pipe threads, commonly used for sealing water, hydraulic and pneumatic line connections.

Specifications (6 items)

Part No.	Standard	Dia.	Pitch	Flute L.	OAL	Shank Dia.	Square
ANECD581_NPS1/8-27	NPS	1/8	27	15	59	8	6.3
ANECD581_NPS1/4-18	NPS	1/4	18	19	67	10	8
ANECD581_NPS3/8-18	NPS	3/8	18	21	75	12.5	10
ANECD581_NPS1/2-14	NPS	1/2	14	26	87	16	12.5
ANECD581_NPS3/4-14	NPS	3/4	14	28	96	20	16
ANECD581_NPS1"-11.5	NPS	1"	11.5	33	109	25	20

Specification Range

Diameter	1/8~1"
Pitch	11.5~27
Flute length	15~33
Overall length	59~109
Shank diameter	8~25

Product Description

A French-brand pipe thread tap built from HSS, the NPS 581, ideal for PT/PF pipe threads, commonly used for sealing water, hydraulic and pneumatic line connections. Available in 6 sizes (thread dia 1~3, pitch 11.5~27, overall length 59~109mm, shank dia 8~25mm). Suitable for machining carbon and alloy steel, stainless steel, non-ferrous metals like aluminium and copper, workpiece hardness up to HRC30. French brand, consistent quality.

Workpiece Materials & Hardness

Steel (P)
Stainless steel (M)
Non-ferrous metals (N)

Max. workpiece hardness HRC30

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