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Technical drawing of a VÖLKEL thread tap with labeled diameters and lengths.

Technical drawing of a VÖLKEL thread tap with labeled diameters and lengths.

UNF (Unified fine)

Hand Tap Bottoming ISO 529 Form C HSS-G - UNF 2.1/4 x 12

Item no. 83456-3

€370.00

2 weeks delivery time

VÖLKEL delivers exclusively to specialized dealers. Online you can buy VÖLKEL products here.

The prices are in Euro plus VAT and shipping, insurance and packaging costs.

Application

Application:

for general use

non abrasive material up to 900 N/mm²
unalloyed and low alloyed steel
for blind holes and thread cutting by hand

Additional information

Type of thread	Unified Fine Thread
Standard	ISO 529
Form	Form C
Material	HSS-G
Tolerance	2B
Size	UNF 2.1/4 x 12
Overall length (L1)	221 mm
Thread length (L2)	76 mm
Core hole diameter (D1)	55.1 mm
Shank diameter (D2)	40.0 mm
Drive connector	31.5 mm
Item number	83456-3
Type of flute	straight fluted
Application	for blind holes
Thread standard	ANSI B 1.1

Application:

for general use

non abrasive material up to 900 N/mm²
unalloyed and low alloyed steel
for blind holes and thread cutting by hand

Die visible through a larger die.

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