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Guhring 5/16-24 H3/H4 Spiral Flute Bottoming CNC Cut Tap, 3 Flutes, HSS-E (5% Cobalt HSS), TiN Coated, No Coolant Hole. HP Green Ring Tap For Carbon Steels & Alloy Steels to 30HRc

Guhring 5/16-24 H3/H4 Spiral Flute Bottoming CNC Cut Tap, 3 Flutes, HSS-E (5% Cobalt HSS), TiN Coated, No Coolant Hole. HP Green Ring Tap For Carbon Steels & Alloy Steels to 30HRc
GUHRING INC.
9039780079380
9039780079380
3978 7.938
5/16-24 0.3125
UPC: 4049844001985
Weight: 0.05070626 LBS
Brand: GUHRING INC.
$35.19
(5% off)
$33.31
each
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Technical Details & Downloads
Technical/Extra Information Catalog Page Series 3978 Details
Product Description

Guhring High Performance Green Ring Cut Taps. Primarily Applicable For Thread Cutting Steels And Universally In Most Materials. Series 3978 For Producing Right Hand Unf Threads Per Tolerance Class 2B. Tap Shank Made Per Ansi Shank Standard. Produced From Premium Hss-E (5% Cobalt Hss) Substrate, Tin Coated Finish. Plain Cylindrical Shank Cnc Cut Taps, No Coolant Hole, Spiral Flute Bottoming Style, 40° Helix Angle, 1.5-2 Pitch Lead Threads And 3 Flutes. Primarily Used For Threading Blind Holes.

  • Guhring High Performance Green Ring Thread Cutting Tap, Series 3978:
  • Made From Premium HSS-E (5% Cobalt HSS) with TiN Coated Finish
  • Tap Shank Per ANSI Shank Standard With Plain Cylindrical Shank and No Coolant Hole
  • Thread Limit Per Tolerance Class 2B For Producing Right Hand UNF Threads
  • Spiral Flute Bottoming Style With 40° Helix Angle, 1.5-2 Pitch Lead Threads and 3 Flutes For Tapping Blind Holes
  • Primarily Applicable For Use In (P) Steels
  • Also Suitable For Limited Use In (M) Stainless Steels, (K) Cast Iron, (N) Aluminum, Al-Alloys
  • Guhring Series 3978, Order Code 7.938, Part Number 9039780079380

This item is part of our complete offering of Guhring Cutting Tools, trusted worldwide for premium engineering, advanced coating technology, and high-performance CNC machining solutions. Explore Guhring Hole Making & Drilling Tools for precision drilling and finishing, Guhring Milling Tools & Carbide End Mills for high-efficiency material removal, Guhring Taps & Threading Tools for accurate thread production, and Guhring Reamers for tight tolerance hole finishing. You can also browse Guhring Grooving Systems and Guhring Tool Holding & Clamping Systems to build complete machining setups with maximum rigidity and consistency. Visit our main Guhring Cutting Tools page to compare sizes, coatings, geometries, and performance options to find the right tool for your application.

Made in Germany
Shipping & Delivery Options
BROOKFIELD, WISCONSIN, USA
  • UPS

Suncoast Shipping Deals

Min. order amount Shipping Option Special Rate Max Weight
$100.00 UPS Blue 2 Business Days $19.99 4 LBS
Note: Special vendor shipping deals are destination-based and may not be available in all ZIP codes. If this rate is not available for your shipping address, standard shipping options will be shown at checkout.
$40.00 MINIMUM ORDER
If Ordered by 3:30pm Eastern Standard Time Guhring will Ship Same Business Day
Wisconsin Stock
37
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Additional Product Details

Technical Details

Manufacturer
GUHRING INC.
Manufacturer Part Number
9039780079380
Thread Size
5/16-24 0.3125
Overall Length
2.721"
Shank Diameter
0.318"
Number Of Flutes
3
Helix Angle
40°
Type Of Tap
CNC Cut Tap
Thread Direction
Right Hand
Thread Limit
H3/H4
Thread Type
UNF
Tap Shank Type
ANSI Shank
Type Of Hole To Tap
Blind Hole
Tool Coating
TiN Coated
Tool Substrate Material
HSS-E (5% Cobalt HSS)
Tolerance Class
2B
Primary Application
Steels, Universal Use
Flat Width
0.238"
Material Food Group
(P), Also (M), (K), (N)
Inch Or Metric
Inch
Country of Origin
Germany
Series
3978
Style
Bottoming
Flute End Type
Spiral Flute
Thread Chamfer
1.5-2 Pitch Lead
Model
Green Ring Tap
Shank Type
Plain Shank
Coolant Through
No Coolant Hole
Max Depth Of Thread
1.377"

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