1/2 x 20 Green Ring UNF Spiral Flute Tap DIN374

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~~£87.82~~

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Part Number

TM68309320

Designed for Cutting

Stainless Steels & Low Alloy Carbon Steel (<600N/mm²)

Thread Form

UNF (Unified National Fine)

Size

1/2

Flute Type

Spiral Flute - For Blind Holes

Ring Colour

Green Ring

Coating

Steam Tempered

Information

Thread Dia. D₁	Pitch	Thread Form	Thread Length L₂	Overall Length OAL	Shank Dia D₂	Square Sq	Tapping Drill Dia.
1/2	20	UNF Unified National Fine	13mm	100mm	9mm	7mm	11.5mm

Flute Type: Spiral Flute

Recommended for: Blind Holes

Shank Standard: DIN 374

Type: High speed steel cobalt (HSSE) tap.

Coating: Steam Tempered VAP - The Steam Tempered is a Fe₃O₄-oxyd-coating which reduces the friction between tool and workpiece and prevents cold welding.

Tapping Materials
Excellent for tapping: Stainless Steels & Carbon Steels with low alloy content Rm<600N/mm²
Good for tapping: Heat resistant alloys & Titanium Alloys <270HB

Technical Data & Info

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