• Flowdrill UNF #8 - Ø 3.9 Short Standard

PART Nº 200390

Flowdrill UNF #8 - Ø 3.9 Short Standard

Flowdrill Ø 3.9 mm with collar for UNF #8 cold forming tap

Flowdrill is a solid tungsten carbide tool, that locally displaces material to form increased material thickness. The increased material thickness allows for a stronger fastening connection by tapping, brazing, bearing or welding.

With collar

Finishing

With collar
Plane surface

3.9 mm

Diameter

UNF #8 - 36

Thread

Get in touch with our expert team

Part specification

Diameter 3.9 mm
Thread Size UNF #8
Finishing With collar
Shaft Diameter 6.0 mm
Work Length 8.5 mm
PART Nº 200390

Material/Machine parameters

Min. Material Thickness 1.0 mm
Max. Material Thickness 1.9 mm
Materials
Spindle Speed
Power
Feed

Benefits of using Flowdrill

Process improvement

Reduced rework

Set up time reduced

Cost saving per hole
friction drill metal sample block - fliessbohren - vloeiboren - fluoperçage

Request a sample

A hands on feel of the finished product, to share and analyse.

Get a sample

Starter set:

Everything you need to implement the process.

Get started with Flowdrill
two Flowdrill employees in front of CNC - fliessbohren - vloeiboren - fluoperçage

Ask a Question

By submitting an email enquiry automatically adds you to our newsletter database, you can unsubscribe at any point from our communications.

document.querySelectorAll('[name="page_url"]').forEach(function(el) { el.value = document.location.href; });

Flowdrill is trusted by

© 2025 Flowdrill. All rights reserved. Built by Gritt & Co. Designed by 1110.