Scrap Metal Test Magnet 18 lb Rare Earth Neodymium N52 Check Gold Silver KM04

Description

Metal Testing Magnet For Recycling Industrial Metals And Testing Gold, Silver, Etc.
We have mounted a powerful 1/2" diameter x 1/2" tall cylinder N52 grade neodymium-iron-boron magnet in an aluminum case for industrial and hobby use. It comes with an extra heavy duty split ring for attaching a hook, rope, wire, or fishing line. Here are some possible uses:
Identify and sort steel grades and metal alloys that contain iron, nickel, or cobalt (limitations exist).
Identify/sort chrome plated steel items from polished aluminum, silver, and non-magnetic grades of stainless steel.
Identify/sort solid brass and bronze from plated steel items (handy in the antique market and hardware store).
Identify/sort some types of costume (fake) jewelry, which often use steel or nickel as the base material under the plating. Please be aware, many nickel alloys including cupronickel (modern US 5 cent coins), German Silver, Nickel Silver, will not react to the magnet, despite containing nickel.  It has to do with the crystal structure of the metal, and is the same reason that some stainless steels are non-magnetic, even though they contain two ferromagnetic elements.
Use as a very powerful magnetic pickup, not like those 1/2 pound jokes at the hardware store.
Attach to your fishing line and cast away.  You will find all sorts of sunken goodies.  I am told that if you live in a big city, bridges are an excellent place to go "magnet fishing."  If you want to retrieve really big items (like engine blocks), use this magnet as an underwater finder, when it latches on to something, you can drop a very large normal magnet and pull up as much as you or your boat winch will lift.
Also handy for science experiments involving ferromagnetism.
The magnet insert is rated at 18 lbs (as with all magnets, this rating depends on the magnet mating to a smooth, flat, unpainted steel surface). Take a look at the pictures, it holds a 13 lb sledge hammer with rough and rounded edges in mid air with no problems. A vinyl cap is included to buffer the strength of the magnet and protect the head when it is not in use.
Dimensions are:
3/4" (19mm)diameter x 7/8" (22mm) tall head
2" (50mm)overall length
3/8" (10mm) diameter handle
1/2" (13mm) diameter heavy-duty stainless steel split ring.
International Buyers – Please Note:
Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying.
2Pack Super Powerful Neodymium Cup Magnet With 1/4''-20 Male Threaded Stud, Base
Much Stronger of Neodymium Cup Magnet: 100lb vertical magnetic pull force on base of 1/2''(12.7mm) thickness steel plate due to Neodymium Magnet N42.
Multi-Use of Power Magnet with Male Thread Stud:#1/4"-20 Male thread Stud, directly screw into the threaded hole of the fixed body or putting through a hole and fastening with a nut to attach any hardware assembly. Great for camera , video, display panel , automatic equipment, tools and machines
Non-Shattering Strong Magnet: The outer steel covering avoid the magnet cracking and chipping
Good Corrosion-Resistance of Round Magnet: Ni+Cu+Ni Triple Layer good corrosion-resistance coating . Steel shell can avoid the naked magnet from scratching and chipping. Loss of magnetic properties no more than 2% within 10 years
Package Includes of Magnet: 2pcs Magnet Base +Spring Washer+Flat Washer+Nuts included
Neodymium mounting magnet with male thread Stud #1/4''-20 Made up of N42 neodymium magnet and a steel shell, the steel shell concentrates the magnetic field on the bottom of magnet which increase the magnetic force by 2.5-4 times compared with its naked magnet. The steel cup can also prevent the naked magnet to crack and chip. It is designed for mounting kinds of Led lighting, Camera , machines , automatic equipment, tool and so on. It is a flat mounting magnet with male stud permanently attached to the mount. Perfect for putting through a hole and fastening with a nut to attach any hardware assembly or screw directly into the fixed assembly Specification 1. Material: Neodymium Magnet N42+A3 Steel+Plastic ring 2. Size: Diameter 1.26"(32mm) 3. Male Thread Stud: #1/4"*L0.60"(Thread Length) 4. Vertical Pull-force:100lb Horizontal Pull-force:20.0lb On Base of 1/2" (12.7mm)Thick Steel Plate 4. Max Working Temperature:80℃ 5.Package Included: 2pcs magnet base + 2pcs washer + 2pcs spring washer+ Nut.
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