Watch My PM-728 CNC Mill Make Its First Real Part!

Clough42 October 19, 2025
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About

Welcome to the Clough42 shop. We get up to all kinds of nonsense in here: manual and CNC machining, 3D printing, toolmaking, electronics, PCB design, CAD, and sometimes even frickin' lasers! All sponsorships are clearly disclosed. We do not accept promotions for mobile games or VPN apps. As an Amazon Associate, I earn from qualifying purchases. As an eBay Partner, I may be compensated if you make a purchase.

Video Description

Today we're finally going to make our first real part on the Precision Matthews PM-729 CNC conversion. This project has been in the works for a long time, and we're finally putting it to use. Experiences will be had. Lessons will be learned. Use discount code CL42 at checkout for 5% off any Precision Matthews benchtop mill and accessories at https://www.precisionmatthews.com/ Use coupon Code Clough42 at checkout for 5% off your purchase of a MASSO G3 Touch and accessories at https://www.masso.com.au/ Tools used in this video: *This site contains affiliate links for which I may be compensated Torque Wrench #1 (Amazon): https://amzn.to/46o6Xn0 Torque Wrench #2 (Amazon): https://amzn.to/3ICEAsb Torque Wrench #3 (Amazon): https://amzn.to/4mBPsEq Chicago Latrobe HSS Jobber Letter Drill Set (Amazon*): https://amzn.to/3Hpr2vI Chicago Latrobe HSS Jobber Number Drill Set (Amazon*): https://amzn.to/4241k9R Chicago Latrobe HSS Jobber Fractional Drill Set (Amazon*): https://amzn.to/3Hq4URV Guhring SpyroTec Countersink Set: https://www.suncoasttools.com/crm/ItemPage.aspx?ItemNumber=9055380020000&VendorNumber=GUHRING Goldenrod 10oz Pump Oiler (Amazon*): https://amzn.to/3OP0hlD Aventor Calipers (Amazon): https://amzn.to/46YaOHO Tegara 690X 6" Mill Vise (eBay*): https://ebay.us/wjC7Ii Tegara 690X 6" Mill Vise (Amazon*): https://amzn.to/3TMDjQb Raw Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 3.0 License http://creativecommons.org/licenses/by/3.0/ 00:00 Intro 01:47 Setting up the stock 02:58 Facing the top 05:46 Roughing out the perimeter 08:03 Spotting and drilling 09:42 Pocketing the large holes 12:37 Boring is not boring 13:30 Finish contours 15:54 Flip for OP 2 17:36 Mill off the holding stock 19:02 Remedial drilling 19:42 The finished part 21:32 What did we learn?

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