Are these suited for wood as well?

I have been using the 1/4 and 3/8 bits for mortising in cherry wood, they are excellent at that - clean cut, not much vibration, stay sharp longer than other he's spiral bits.

will this set be able to drill my AR15 lower receiver

That's exactly what I used this set for my 80% arms lower receiver. Completed it last week with a Deltron upper and tested it at the range yesterday. Take your time and go slow and it will produce a quality part. Predrill holes with a drill bit. I did the whole process using these to finish with.

In drill press, how will they do for plunge cutting? I was under impression I need center cut end mill for boring metal, am I wrong?

Two or three flute center cutting end mill most 4 flute are not center cutting and will go a horrible job. Two flute end mills in very sharp condition best done on a larger heavy duty drill press 12 inches or more swing. The Quill arbor and bearings need to be tight with minimal slop. Drill press needs to be capable of low speed to avoid chatter. If things are optimal it "may work" any vertical mill even a mini mill will do a better job for this milling operation.

Topic shows hhs, but look under " product description" it says "carbide end mill" which is it?

the material is HSS,not carbide,product description just recommend other styles, if you need carbide milling cutter, we also have it, click the link at the bottom of the description to buy it directly

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8PCS HSS 4 Flute End Mill Cutter Set, Straight Shank High Speed Steel Milling Bits 1/16" to 1/2" for CNC Router, Milling Machine, Metal, Wood, Plastic

Product ID: 17834266

Details

Cutting Diameter
12.7
Cutting Length
0.75 Inches
Finish Type
Unfinished
Material
High Speed
Number of Flutes
4

💨4-flute design for faster feed & cleaner cuts

🔥Enhanced M2 HSS for high hardness & speed

⚙️8 precision sizes 1/16"–1/2"

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Description

⚡ Cut faster, last longer, and own every project with precision power!

EFFORTLESS CLAMPING - Straight shank design guarantees secure, wobble-free mounting on CNC routers and milling machines.
ENGINEERED FOR SPEED - Enhanced M2 high speed steel ensures durability and stable performance even on tough metals.
MULTI MATERIAL MASTERY - Perfect for metal, wood, plastic, and alloys — from carbon steel to titanium, no job is too complex.
PRECISION IN EVERY CUT - 8 versatile sizes cover all your milling needs from fine detail to heavy-duty slots.
SMOOTH CLEAN FINISHES - 4-flute configuration optimizes chip removal for faster feed rates and superior surface quality.

The AUTOTOOLHOME 8PCS HSS 4 Flute End Mill Cutter Set features 8 precision sizes ranging from 1/16" to 1/2", crafted from enhanced M2 high speed steel for exceptional toughness and wear resistance. Its straight shank design ensures secure clamping on CNC routers and milling machines, while the 4-flute geometry enables faster feed rates and cleaner cuts across metals, wood, and plastics. Ideal for professionals demanding reliable, high-performance milling tools.

Specifications

ASIN	B00ZZYJU2U
Best Sellers Rank	#10,589 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Drill Mills
Brand Name	AUTOTOOLHOME
Customer Reviews	4.5 4.5 out of 5 stars (4,220)
Cut Type	4 Flute
Cutting Diameter	12.7 Millimeters
Cutting Length	0.75 Inches
End Cut Type	Straight End Mill Cutter
Finish Types	Unfinished
Helix Angle	3E+1 Degrees
Item Weight	0.42 Pounds
Manufacturer	JYC International Trade Co., Ltd.
Material Type	High Speed Steel
Model	ZH0095
Number of Cutting Edges	4
Number of Flutes	4
Part Number	ZH0095
Shape	Round
Size Name	0.5;0.25;0.375;0.1875;0.3125;0.125 Inch
Tolerance Held	Precision
UPC	798154046462 714046583938
Unit Count	1 Count

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$58.55

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In stock

Sold byAmazon EcuadorDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Ecuador.

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