/r/machining/

r/machining

41k members
r/machining is a subreddit with 41k members. The community frequently discusses machining, lathe, cnc, parts, and looking for, and they frequently recommend/review calipers, lathe, and drill bits, and the most common flair used is question/discussion, picture, manual, cnc, and tooling.
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 Topics in r/machining

#1

Machining

111 posts
#2

Lathe

47 posts
#3

Cnc

42 posts
#4

Parts

25 posts
#5

Looking For

22 posts
#6

Mill

21 posts
#7

Milling

20 posts
#8

Tools

18 posts
#9

Test

15 posts
#10

Threading

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 people manufacture things like these without cnc machines in the early 20th century?"
109 posts
#2
Picture
: "These are AZ80. Not the grade people expect on a wheel, which is half the reason I'm posting."
40 posts
#3
Manual
: "Milling Alcoa super singles"
11 posts
#4
CNC
: "Solid block of Aluminum."
8 posts
#5
Tooling
: "The weekend I almost gave up on my project car"
5 posts
#6
Video
: "I played around and built a mini lathe"
4 posts
#7
Materials
: "Watch out for "Tractorpartsfactory" website"
3 posts
#8
Monthly Advice Thread | MAT
: "Monthly Advice/Questions Thread | 08/01/2026"
3 posts

Member Growth in r/machining

Yearly
+8k members(22.7%)

Similar Subreddits to r/machining

/r/CNC

r/CNC

122k members
21.5% / yr

r/CNCmachining

11k members
35.6% / yr

r/hobbycnc

93k members
28.4% / yr
/r/Machinists

r/Machinists

279k members
12.1% / 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: August 13, 2026