The picture is 12-inch. The part number is for 10-inch. Which are they??

I don't specifically recall, but we use 12" blades here. I definitely do not recall receiving the incorrect 10" length.

Will these blades cut pieces of metal 3/4" wide and 1/8" thick without breaking or becoming too dull to cut after one use?

I couldn't tell you about the quality of the other 9 blades in the pack, I'm still on the first blade. I've cut cast iron rod 1 inch thick ( not fun) and un hardened w1 tool steel rod stock quite a few times and a whole bunch of aluminum rod stock and I haven't even considered changing blades from the first one yet. the catch is these only work really well when they are in a high tension frame. So a standard hacksaw might break them. I wouldn't try cutting 1/8th with this tooth pattern though. Gst the blades with a higher tpi

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Starrett Hacksaw Blade, 12" Length, 1/2" Width, 0.025" Thickness, 10‑Pack | Bi‑Metal Unique HSS Safe‑Flex Hand, Ideal for Contractors and Tradesmen, 18 TPI, KBS1218‑10

Starrett Hacksaw Blade, 12" Length, 1/2" Width, 0.025" Thickness, 10‑Pack | Bi‑Metal Unique HSS Safe‑Flex Hand, Ideal for Contractors and Tradesmen, 18 TPI, KBS1218‑10

Product ID: 3070441

Details

Brand
Starrett
Color
Yellow
Item Thickness
0.03 Inches
Material
Bi-Metal High
Number of Items
10
Number of Teeth
18

📏12" length for versatile cutting

⚙️18 TPI for precision and smooth cuts

🛡️Bi-metal HSS for unmatched durability

NT$1669

Duties & taxes included

In stock

Sold byAmazon TaiwanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Cut like a pro, last like a legend!

TRUSTED SINCE 1880 - Starrett’s legacy means consistent, reliable performance every time
10 PACK VALUE BUNDLE - Always have a fresh blade ready—perfect for pros and serious DIYers
SAFE FLEX HIGH SPEED STEEL - Engineered to resist bending and tooth breakage under stress
18 TEETH PER INCH PRECISION - Delivers clean, accurate cuts even in tight, awkward spaces
PATENTED SOLID STATE DIFFUSION - Industry-leading bi-metal blade tech for superior strength and longevity

The Starrett 12" Bi-Metal Hacksaw Blade features patented solid state diffusion technology, combining high speed steel and bi-metal construction for exceptional durability and precision. With 18 teeth per inch, it excels in interrupted cuts and tight spaces, resisting bending and tooth breakage. Sold in a convenient 10-pack, it’s the trusted choice for contractors and tradesmen seeking reliable, long-lasting performance.

Specifications

ASIN	B000FCCZJ2
Best Sellers Rank	#38,002 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #3 in Hacksaw Blades
Brand Name	Starrett
Color	Yellow
Compatible Material	Metal
Customer Reviews	4.7 4.7 out of 5 stars (73)
Global Trade Identification Number	07891265403421
Item Dimensions L x W	12"L x 0.5"W
Item Thickness	0.03 Inches
Manufacturer	Starrett
Material Type	Bi-Metal High Speed Steel
Model	KBS1218-10
Number of Teeth	18
Part Number	KBS1218-10
Set Name	Hacksaw Blade
Style Name	Unique
Unit Count	10.0 Count

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