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H1

N-RZ H7 3/8-16UNC 2P

【英】タップ詳細

ANSIThread Forming Taps for Steels

Design for Taps
389487M

Product code:389487M

Manufacturer's Suggested Retail Price (MSRP*):JPY-

PDF CatalogPDF
2D CAD2D:DXF2D:PDF
3D CAD3D:STEP3D:PDF
※MSRP is for reference purposes only. Please consult your local distributor for pricing.
Pricing outside Japan may vary due to each country's tax schedule,
tariffs, import/shipping charges, and duties imposed by customs.

Spec

Overall length(L)3.937 inch
Thread length(ℓ)0.906 inch
Thread+Neck length(ℓn)1.535 inch
Shank length(ℓs)2.028 inch
Shank dia.(Ds)0.381 inch
Length of square(ℓk)0.437 inch
Size of square(K)0.286 inch
Surface TreatmentOX
Flute typeROLL(Forming Taps)
MaterialsHSS
Chamfer length2P
Number of flutes3
Gross Weight49 g
Bored hole size0.3472 inch
Engagement ratio73 %
(D1)Max.0.321 inch
(D1)Min.0.307 inch

Table of tapping speed recommended for each work material

Low carbon steels5~15 m/min
Medium carbon steels5~15 m/min
High carbon steels
Alloy steels
Heat treated steel (25〜35HRC)
Heat treated steel (35〜45HRC)
Heat treated steel (45〜55HRC)
Heat treated steel (55〜63HRC)
Stainless steels (SUS)
Tool steels
Cast steels
Cast irons
Ductile cast irons
Copper
Brass
Brass castings
Bronze
Wrought aluminum
Aluminum alloy castings
Magnesium alloy die castings
Zinc alloy die castings
Titanium alloys
Nickel base alloys
Thermosetting plastic
Thermoplastic resin