No.4 x 40 Unimaster Bright, UNC Spiral Flute, Bright Finish Tap DIN371

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~~£50.80~~

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Part Number

TM82400400

Range

Unimaster Bright

Thread Form

UNC (Unified National Coarse)

Size

No.4

Flute Type

Spiral Flute - For Blind Holes

Coating

Bright Finish

Tolerance

Information

Thread Dia. D₁	Pitch	Thread Form	Thread Length L₂	Overall Length OAL	Shank Dia D₂	Square Sq	Tapping Drill Dia.
No.4	40	UNC Unified National Coarse	6mm	56mm	3.5mm	2.7mm	2.3mm

Flute Type: Spiral Flute

Recommended for: Through Holes

Shank Standard: DIN 371

Type: High speed steel cobalt (HSSE) tap.

Coating: None - Bright Finish - Uncoated for excellent results in softer materials.

Tapping Materials
Excellent for tapping: All General Steels; All Cast Irons & Nodular Graphite; Unalloyed Titanium; Unalloyed Nickel; and All forms of Aluminium Si<10%.
Good for tapping: Alloy Steels; All Stainless Steels; some Nickel & Titanium Alloys.