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UNF 5/16-24 HSS tapping - through Fanar
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  • UNF 5/16-24 HSS tapping - through Fanar
  • UNF 5/16-24 HSS tapping - through Fanar - nr. 1
  • UNF 5/16-24 HSS tapping - through Fanar - nr. 2
Fanar Narzędzia

UNF 5/16-24 DIN 371 B HSS Fanar taps

Fanar Narzędzia Fanar Narzędzia
0000006202
€8.09 tax inc.

Net price: €6.58

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Description

Technical data for the 5/16-24 UNF machine tap

Technical data
nominal diameter d15/16-24
thread pitch P24 threads per inch
overall length l190 mm
flute length l213 mm
shank diameter d28 mm
square drive size6.2 mm
tap drill diameter6.9 mm
ChamferB (3÷5) P
Length l335 mm
UNF 5/16-24 DIN 371 tap – dimensional drawing with lengths and shank dimensions

How the type B through-hole chamfer pushes chips down the hole

Chips exit at the bottom instead of returning through the thread

The form B through-hole chamfer has a chip breaker at the tip of the tap – an angled notch in the cutting edges. The chip breaker directs chips down the hole, ahead of the tap tip. The chips curl into a spring shape, break into short pieces, and exit the hole on the other side of the workpiece. The threads already cut remain clear because chips do not pass through them on their way upward. The UNF 5/16-24 tap has a reinforced shank according to DIN 371: diameter 8 mm, square size 6.2 mm.

UNF 5/16-24 DIN 371 tap – diagram of chip movement and rotation direction during tapping
1
Straight flute – chips do not enter it; the flute carries lubricant to the cutting edges.
2
The chip breaker at the tip of the tap directs chips down the hole.
3
The tap rotates clockwise to cut a right-hand thread.
4
B chamfer: 3–5 incomplete threads on the entry taper.
5
The chips break into segments: individual pieces at the top of the hole, with progressively more farther down. They fall out below the workpiece.
6
The UNF 5/16-24 thread has 24 threads per inch; the feed is approximately 1.058 mm/rev.

5/16-24 UNF American machine tap for through holes

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UNF 5/16-24 DIN 371 B HSS Fanar taps

UNF 5/16-24 DIN 371 B HSS Fanar taps

Shipping

All orders are delivered by courier company GLS. For orders exceeding 369 PLN gross shipping is FREE

Courier GLS Przelew24 / Prepayment 14,76 zł gross Delivery time 1 working day
Courier GLS Cash on delivery 17,26 zł gross Lead time 1 working day

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