Can this cut smaller coax, like RG-8X? (HAM here, and the previous pair i bought is apparently for *gigantic* coax i've never seen.)

No there for up to 1in coax cable like cts 625, 700, 750, 875... and so on

Are these big enough to cut 4/0 wire?

Yes they are the best one I ever used splicing cable for Comcast and coax that I ever came a contact with was 0.85 of an inch So it's more than what I've seen in some of the stuff I just read about recommended size but it cut that stuff and if you're just doing it once or one weekend buy them at Harbor Freight Hope it helps I'm trying to attach the size chart that I looked at because it turns out it was from Amazon and that's kind of funny Good luck brother

Will these cut 400 UF coax cleanly (and properly)?

I use these cutters to cut 625 cable, without issue. Also have used these on TX15/flex feeder. I don't see any reason this would not cut 400 cleanly

Would they cut bx cable ? like 12/2 bx

I would not use these to cut armored cable or even plain 12/2. These are designed to cut mainline coax communication cable which is mainly dielectric and aluminum with only a small amount of copper.

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Klein Tools 63030 Cable Cutter, Coaxial Cable Cutter cuts up to 1-Inch Aluminum and Copper Coaxial Cable with One-Hand Shearing, Blue

Klein Tools 63030 Cable Cutter, Coaxial Cable Cutter cuts up to 1-Inch Aluminum and Copper Coaxial Cable with One-Hand Shearing, Blue

Product ID: 397157536

Details

Brand
KLEIN TOOLS
Colour
Blue
Handle material
Plastic
Material
Blend
Product dimensions
21L x 10.2W

✂️Cuts up to 1-inch coaxial cable

🖐️One-hand precision shearing

🛠️Heat-treated forged steel blades

1903 DH

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Sold byAmazon MoroccoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

✂️ Cut like a pro, carry with pride — Klein Tools means business.

COMPACT PORTABLE - Lightweight 0.78 lb design fits seamlessly into any professional’s tool pouch for on-the-go readiness.
HEAVY DUTY DURABILITY - Forged, heat-treated steel blades built to withstand frequent professional use without dulling.
ERGONOMIC COMFORT GRIP - Plastic-coated handles designed for maximum comfort and superior grip during extended jobs.
EFFORTLESS ONE HAND SHEARING - Precision cutting without frayed ends or compression for flawless results every time.
TRUSTED AMERICAN CRAFTSMANSHIP - Made in the USA with over 160 years of family-owned expertise ensuring unmatched quality.

The Klein Tools 63030 Cable Cutter expertly slices through up to 1-inch aluminum and copper coaxial cables with a single hand. Featuring heat-treated, precision-ground steel blades and a forged body, this American-made tool guarantees durability and clean cuts without fraying. Its ergonomic, plastic-coated handles provide comfort and grip, making it an essential, compact addition to any professional’s toolkit.

Specifications

ASIN	B001BY28YA
Brand	KLEIN TOOLS
Brand Name	KLEIN TOOLS
Color	Blue
Colour	Blue
Customer Reviews	4.7 out of 5 stars 347 Reviews
Cutting width	1 Inches
Global Trade Identification Number	00092644630309
Grip Type	Ergonomic
Handle Material	Plastic
Handle material	Plastic
Included Components	Cable Cutter Coaxial 1" Capacity
Item Dimensions L x W	21L x 10.2W centimeters
Item Type Name	Klein Tools Cable Cutter Coaxial 1-Inch Capacity 63030
Item Weight	0.78 Pounds
Item weight	0.78 Pounds
Manufacturer	KLEIN TOOLS
Manufacturer Part Number	63030
Material	Blend
Material Type	Blend
Model Number	63030
Product dimensions	21L x 10.2W centimeters
Set Name	Klein Tools
Specific Uses For Product	Professional
Specification Met	Inferred: Compliance with unspecified US tool manufacturing standards
UPC	092644630309
Unit Count	1 Count

Reviews

D**E

Incredible tool

I'm a firefighter. I use this tool to cut battery cables. This tool cuts them like butter. I don't know how long they will last but they went through a set of cables on a tractor trailer without any difficulty.

20.08.2024

B**A

Evaluación preliminar positiva

El material y el acabado se sienten de buena calidad. Las pinzas son rígidas y robustas. Aún estoy en las primeras etapas de uso, así que con el tiempo podré dar una opinión más completa y objetiva. Por ahora, la primera impresión es positiva.

2.08.2025

A**R

good quality

This is a tool that has good quality

9.05.2025

T**U

Good tool

Quality

28.05.2024

S**.

Perfect cutters

Amazing product,cuts 0000 wire easily,and stripping is easy too,best tool.

25.10.2024

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