r/machining is a subreddit with 42k members. The most common kinds of discussions are advice requests and solution requests, and the community frequently discusses machining, lathe, cnc, parts, and looking for, and they frequently recommend/review calipers, lathe, and drill bits.
Welcome to r/Machining
We currently have an active giveaway!
Check it out in the Metalworking Discord here! https://discord.gg/tybRmzQJmV
Welcome to the community!
Popular Themes in r/machining
#1
Advice Requests
: "If you had 5 holes with helicoil and all off by 2-3 mils in an aluminum plate 8 mm thick, what would you do?"
8 posts
#2
Solution Requests
: "Can anyone here identify this tool and provide a source to buy one?"
3 posts
Popular Topics in r/machining
#1
Machining
: "Need help in Machining a part"
111 posts
#2
Lathe
: "New to me Lathe"
47 posts
#3
Cnc
: "I took a machining class but barely learned about operating a Cnc machine"
42 posts
#4
Parts
25 posts
#5
Looking For
22 posts
#6
Mill
21 posts
#7
Milling
: "House I’m renting has an old Bridgeport end mill in the garage. Watched some YouTube Milling safety videos and gave it a shot."
20 posts
#8
Tools
: "7075-t6 hex stock radius rods for my snowmobile"
18 posts
#9
Test
15 posts
#10
Threading
: "Threads Stripped Out. Need Advice"
11 posts
Products Discussed in r/machining
Calipers
23 reviews
#1
Mitutoyo
4.8★ from 13 reviews
#2
Harbor Freight
2.0★ from 3 reviews
#3
SPI
4.0★ from 2 reviews
Lathe
12 reviews
#1
Sherline
4.0★ from 4 reviews
#2
Storebro
3.0★ from 1 review
#3
Precision Matthews
4.0★ from 1 review
Drill Bits
4 reviews
#1
Vevor
3.0★ from 2 reviews
#2
Kennametal
4.0★ from 1 review
#3
Huot
4.0★ from 1 review
Flair Used in r/machining
#1
Question/Discussion
: "How did this happen?"
111 posts
#2
Picture
: "Some Magnesium Chips..."
57 posts
#3
Manual
: "Sometimes, I take jobs other people would say my shop can't do. 30ft long shaft. Shop is only 50ft long. Wiggling it in took about an hour."
17 posts
#4
CNC
: "Mistakes where made on the work computer"
9 posts
#5
Tooling
: "The weekend I almost gave up on my project car"
3 posts
#6
Materials
: "Offered a 7-month contract working daily with Beryllium Copper"
2 posts
#7
Video
: "I played around and built a mini lathe"
1 post
Member Growth in r/machining
Yearly
+8k members(23.9%)
Similar Subreddits to r/machining
r/CNC
124k members
21.2% / yr
r/CNCmachining
12k members
36.6% / yr
r/hobbycnc
95k members
28.2% / yr
r/Machinists
281k members
12.2% / yr
About
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This page gives a focused view of r/machining, including current member size, discussion patterns, product reviews, and related communities to explore.
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Last updated: September 10, 2026