Can I use other companys inserts with these, or am I stuck buying only this brand?

Yes, we have a blade specifically for this holder set , which is a link to the blade : https://www.amazon.com/dp/B07GSYR1CZ?ref=myi_title_dp , you can purchase the blade through this link, or You can buy by ASIN of the search blade, ASIN of the blade: B07GSYR1CZ

What is the "lead" angle of these tools? i need a tool that can both turn and face with the qctp set at 90° to the work; i.e. "overhang"

IS THIS A 60 DGR V THREAD M IF THE PEOPLE SELLING THIS SO NOT KNOW ,I FOR ONE WILL NEVER BUY FROM THEM. AGAIN IS THIS A STANDARD 60 DG V THREAD OR NOT.

where do i get more inserts and ger information on them ?

You can search for ASIN : B07GSYR1CZ，this is the insert's ASIN. And this insert's modle is DCMT21.51 ，can match the 1/2" holder set！

What does "indexable" mean?

Indexable means the insert or cutting part of the tool is a separate part of the tool

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We remain fully operational. Our teams are working around the clock to ensure your deliveries continue safely.

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Our Other Brands:Hewyn|Selfship

Description

⚙️ Turn your CNC game up a notch with precision and durability!

READY TO USE KIT - Comes with 3 holders, 3 inserts, and 3 T8 wrenches—everything you need to upgrade your lathe setup.
DURABLE CARBIDE INSERTS - 3PCS DCMT21.51 inserts with positive rake and chip breaker for smooth, efficient cuts.
PREMIUM BLACK OXIDE FINISH - Enhances tool longevity by resisting corrosion and wear under heavy use.
VERSATILE 3 TOOL HOLDER SET - Includes SDNCN, SDJCL, and SDJCR holders to cover all turning needs.
PRECISION ENGINEERED 1 2 SHANK - Fits standard CNC lathes for seamless integration and stability.

This 3-piece CNC lathe tool set features 1/2" steel holders with a sleek black oxide finish and 3 indexable DCMT21.51 carbide inserts designed for high-strength, stable, and efficient turning. Ideal for professional machinists seeking reliable, versatile cutting tools that deliver smooth performance on materials like stainless steel.

Reviews

J**N

Pretty happy with this style tool

I've been using these on 304 stainless, works pretty well. They've become my default turning insert style. I use a Grizzly 4003 lathe, entry level 240v type of lathe. No idea if these would be good on much bigger machines (or smaller).

22.08.2025

P**K

Good

Works good

10.04.2022

A**R

Cut well

I'm machining some 6" diameter 4000 series chrome moly steel disks and these cut very nicely, good value.

27.12.2024

P**.

They fit my tool holder.

They are fine.

20.07.2025

K**I

Great value boring bars

These are nice little boring bars for the price. They are decently rigid for what I'm doing. I just cut some 1045 steel with them and they work great! I definitely recomend these for the hobby machinist on a budget.

26.01.2020

J**C

Excellent bit set.

Great bit set, only drawback is the bit does sit perfectly straight in the lathe, so you cannot get the cut that is needed.

19.03.2019

B**Y

Works great for the money

I received the cutters, used one today to cut steel and it surprised me for a Chinese cutter, it did a very good job.

12.01.2021

M**R

No Carbide Under Cutter Support

Love these cutter holders however, when you break a cutter - and you will - the break damages the tool holder under the cutter. After breaking the first cutter it became all but impossible to keep a cutter from breaking.

1.02.2023

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3PCS 1/2" turning holder

Description

Specifications

Reviews

Common Questions