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DIN 2184/1 - UNF
Maschinen-Gewindebohrer mit berlaufschaft
fr unified-Gewinde (fein) UNF – ASME – B 1.1
Baumae an DIN 374 angelehnt
Machine taps with reduced shank
for unified fine thread UNF - ASME – B 1.1
dimensions generally as per DIN 374
UNF
d2
a
l2
l1
Typ / Type Rapid Rapid VA HD
Toleranz 2 B 3 B 2 BX 2 B
Tolerance B/4-5 B/4-5 B/4-5 B/4-5
Anschnitt / Gangzahl
Chamfer form / No. of threads
Schneidrichtung
Cutting direction
Schneidstoff/ Material HSS-Co HSS-Co HSS-Co HSS-Co
mm Gg/1” Kernloch l1 l2 d2mm a 6687 6687 6797 6876
3B
Tpi Tap drill mm mm h9 h12
UNF 7/16 - 20 9,90 90 20 8 6,2
20
UNF 1/2 - 18 11,50 100 22 9 7,0
18
UNF 9/16 - 16 12,90 100 22 11 9,0 -
14
UNF 5/8 - 12 14,50 100 22 12 9,0
12
UNF 3/4 - 12 17,50 110 25 14 11,0
12
UNF 7/8 - 12 20,40 125 25 18 14,5 -
UNF 1- 23,25 140 28 18 14,5 -
UNF 1 1/8 - 26,50 150 28 22 18,0 -
UNF 1 1/4 - 29,50 150 28 22 18,0 -
UNF 1 3/8 - 32,75 170 30 28 22,0 -
UNF 1 1/2 - 36,00 170 30 32 24,0 -
Rapid: Herkmmliche Anwendung HD : fr zhe Werkstoffe
universal application for tough materials
VA: Fr rostfreien Stahl
for stainless steel
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