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Ceramic Magnets (Ferrite Magnets)
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Ceramic Block Magnets
» Ceramic Block Magnet w/Countersunk Holes
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Ceramic Block Magnet w/Countersunk Holes
[21990]
Click image to enlarge
Specifications
Grade:
5
L (in):
1.875
W (in):
0.875
THK (in):
0.387
Shape:
Rectangle - Countersunk
Approx. Pull:
3 lbs.
Ceramic Block Magnet w/Countersunk Holes Product Details
This grade 5 ceramic block magnet measures 1.875" in length, 0.875" in width & 0.387" in height (47.6 mm L x 22.2 mm W x 9.8 mm H) and has two 0.187" (5 mm) countersunk mounting holes.
Each magnet weighs 1.8 oz (51 gm) and can lift up to 3 lbs (1.36 kg).
Countersunk mounting holes are located in the center of the magnet for easy attachment of standard flat-head screws, nuts or bolts. This avoids possible cracking issues which can occur when tightening up the screws in drill holes on ordinary block/bar magnets.
*total minimum order (excluding shipping & tax if applicable) - Items can be combined to reach the minimum amount.
Volume Discounts
1+:
$1.33
50+:
$1.02
100+:
$0.92
250+:
$0.84
500+:
$0.76
1000+:
$0.68
2500+:
$0.58
Part Number
Quantities
1
50
100
250
500
1000
2500+
21990
$1.33
$1.02
$0.92
$0.84
$0.76
$0.68
$0.58
Quantity:
Price Each:
$1.33
Total Price:
$1.33
Add to Cart
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Ceramic Block Magnet Technical Data
21990 Countersunk Ceramic Block Magnet Technical Data
Grade:
5
Magnetization:
This Countersunk Magnet is Axially Magnetized Through the Thickness (THK)
Standard Dimensional Tolerance:
+/-0.010" on Length (L), +/-0.005" on Width (W) & Thickness (THK)
Br:
3,950 Gauss
BHmax:
3.6 MGOe
Hc:
2,400 Oersteds
Hci:
2,450 Oersteds
Max Operating Temperature:
400ºF/204ºC
Curie Temp:
842ºF/450ºC
Density (lb/in3):
0.178
Learn more about:
Magnet Materials Overview
Samarium Cobalt Magnets
Alnico Magnets
Flexible Magnets
Ceramic Magnets
Ceramic Disc Magnets
Ceramic Block Magnets
Ceramic Ring Magnets
Ceramic Cup Magnets