YG-1 Spiral Flute Tap: 7/8-9 UNC, H4, Modified Bottoming, 4 Flute, Uncoated, B1744

YG-1

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SKU:
YG1-B1744
$160.45

Tap threads in blind holes and pull the chips out with this 7/8-9 spiral flute tap.

  • Thread standard: UNC
  • Thread size: 7/8-9
  • Thread limit: H4
  • Chamfer: Modified Bottoming
  • Thread length: .827"
  • Number of flutes: 4
  • Coating/finish: Uncoated
  • Workpiece material: Steel, Stainless Steel
  • Thread pitch (TPI): 9
  • Overall length: 4.689"

YG-1 part number B1744.

Specifications

Unit of Measure
Inch
Workpiece Material
Steel, Stainless Steel
Number of Flutes
4
Shank Type
Square
Overall Length (Decimal)
4.6890
Coating/Finish
Uncoated
Shank Diameter (Decimal)
0.6970
Shank Diameter (Metric)
17.70
Overall Length (Metric)
119.10
Thread Standard
UNC
Thread Size
7/8-9
LxD Ratio
2.5xD
Thread Limit
H4
Chamfer
Modified Bottoming
Thread Pitch (TPI)
9
Blank Standard
302A
Chamfer Length
2P-3P
Secondary Workpiece Material
Non-Ferrous
Drill Size (Metric)
19.66
Square Length (Decimal)
0.7500
Square Length (Metric)
19.05
Square Size (Decimal)
0.5230
Square Size (Metric)
13.28
Thread Length (Decimal)
0.8270
Thread Length (Metric)
21.01
Usable Length (Decimal)
2.8150
Usable Length (Metric)
71.50
$160.45
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