• Last chance! Only a few items available and soon no longer in our assortment.

Alternative article:

Machine tap DIN 374, uncoated, UNF: 1/4-28

Article no.: 537001 Catalog no.: 138002
Discount
CHF 32.27
Price per 1 Piece
Price valid until 31 Jul 2026
Net price: CHF 5.05
Do you want to order more than one article? To quick entry
on request
In stock
1 pieces in stock

Select article variation and quantity

UNF Price per 1 Piece (incl. VAT)
  • Thread type: UNF
  • Flank angle: 60
  • Tool material: HSS E
  • Standard: DIN 374
  • Tolerance class: 2B
Regrinding service
Original regrinding for original performance - Reduce your costs now with our professional regrinding service. Details

Add to wishlist

Share this product

or copy this link

Product details

Technical Data

Thread size 1/4-28 UNF
Coating uncoated
Thread type UNF
Flank angle 60 degrees
Tool material HSS E
Standard DIN 374
Tolerance class 2B
Taper lead form C
Helix angle 15 degrees
Shank Plain shank with h9
Through-coolant no
Application for type of drilling up to 2×D for blind holes
Cutting direction right-hand
Thread pitch 0.907 mm
Threads per inch 28
Thread ⌀ 6.35 mm
Overall length L 80 mm
Shank ⌀ Ds 4.5 mm
Shank square □ 3.4 mm
Tapping hole ⌀ 5.5 mm
Type of threading tool Machine tap for conventional machining
Number of clamping slots 3
Colour ring without
Number of cutting edges Z 3
Thread depth 12.7 mm
Type of product Tap

Identification & Classification

Article number 537001
Catalog number 138002
EAN / GTIN 4045197595041
Manufacturer number 138002 1/4-28
Manufacturer/responsible person Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com

Application Table

Aluminium (short chipping)
N
13
Steel < 500 N/mm²
P
15
Steel < 750 N/mm²
P
15
Oil
 
wet maximum
 

Description

Version:

HSS-E

Application:

For UNF uniform fine threads ASME − B1.1.

Downloads & documents

Services & product advisors

Flyers

If you see this, something went wrong, or you disabled javascript

Select pick-up location

Sign in

Are you a new customer?

Login

Your contact person

Set commission

Your customer card

Please present the QR code at the checkout.
Retrieved on 
To shopping cart