Posts Tagged ‘5-point star’

New Blade USMB-AYP-844BP

Posted on: November 9th, 2017 by usmb No Comments


The USA Mower Blades line up is always expanding. The newest mower blade to be added is the USMB-AYP-844BP. The 844BP is a toothed mower blade and part of the Eagle Series line up. Eagle Series Blades, exclusively from USA Mower Blades, are the ultimate 3-in-1 blade and are designed and manufactured for commercial use. These toothed blades can bag, side-discharge, or mulch grass clippings with a higher efficiency than standard, non-toothed blades.


Toothed lawn mower blades are 3-in-1 blades designed for discharge, bagging, and mulching. Toothed blades, while not always true mulching blades, are better for mulching than standard high-lift blades. Eagle Series Blades are toothed blades and are broken down into four categories depending on specifications: E6, E5, E4, and E3.


The 844BP is an E3 – Eagle Series Blade. E3 blades are the thinnest blades in the Eagle Series line but offer excellent durability and longevity. The trade-off for thickness is a discount on USA Mower Blades’ already low prices.


The 844BP will fit certain AYP®, Craftsman®, Husqvarna®, and Poulan® lawn mowers. Two (2) blades are required for 38-inch decks. This blade fits OEMs: 12784, 127842, 134148, 138497, 138970, 139774, 193957, 532134148, 532138497, 581116302, 532127842, 532134148, 532139774.


To learn more about Eagle Series Blades, click here.


To learn more about toothed blades, click here.



For more information on USA Mower Blades please call Customer Service at: 734-863-0149.

USA Mower Blades are available to purchase online from

How to Measure a Lawn Mower Blade

Posted on: April 14th, 2017 by usmb No Comments



Knowing how to properly measure a lawn mower blade will make it much easier to find the proper replacement. There are three major measurements to consider: length, width, and center hole. Other important measurements to note are thickness and distance between outer holes. Also take note of the center hole type and measurement.


LENGTH: Length is measured diagonally from one tip of the blade to the opposite tip of the blade. It is important to measure the length correctly. Measuring from end to end will result in the wrong blade length. All length measurements must be made diagonally.


WIDTH: The width of the blade should be measured at the widest and flattest part of the blade – typically near the center of the blade. The width can be measured normally from edge to edge.


CENTER HOLE: The center hole measurement will depend on the type of hole being used. There are several different types of center holes: round, fiveCenter Hole Graphic-point star, six-point star, seven-point star, rounded rectangle, and H-pattern also known as bow tie.


Round center holes should be measured for inner diameter. 5-point star, 6-point star, and 7-point star center holes will not have a measurement but will be denoted by name. H-pattern or bow tie center holes will also not have a measurement. H-pattern center holes will accommodate several different spindle types including 5-point star, 6-point star, or triangle spindles.


Rounded rectangle center holes will typically have two measurements, inner length and inner height. Most lawn mower blades will have round center holes.


Some blades will have an extra set of holes set to either side of the center hole. These outer holes are measured two different ways — individual diameter and the space between the holes. Measure the outer hole inner diameter the same way as a center hole. The correct way to measure the distance between outer holes is from the center of one hole to the center of the other hole.


For more information about USA Mower Blade or for help measuring or determining replacement blades, please call customer service at 734-863-0149 or by e-mail here.