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Magnetic Needle Brass

Magnetic Needle Brass

Product Code : JA-PLE-4137

The Magnetic Needle Brass (SKU JA-PLE-4137) is a carbon steel magnetic needle with a brass cup bearing, made to sit on a pointed pivot and swing freely into line with a magnetic field. This magnetic needle with brass cup bearing comes in 50 mm, 62 mm, 75 mm and 100 mm lengths and is a routine item in school physics laboratories for compass and field-direction work.

Specifications

Each needle is carbon steel with a brass cup bearing, and four lengths are listed, 50, 62, 75 and 100 mm, which lets a laboratory stock short needles for plotting and longer ones for demonstrations.

ProductMagnetic Needle Brass
SKUJA-PLE-4137
Needle materialCarbon steel
BearingBrass cup bearing
Sizes50 mm, 62 mm, 75 mm and 100 mm

Applications of the magnetic needle with brass cup bearing

Placed on a pivot, the needle turns until it lies along the magnetic field at that point, which makes it useful for locating north and south, exploring the field of a bar magnet and detecting the field around a wire that carries a current.

  • Finding the magnetic north–south direction in the classroom
  • Exploring the field pattern around bar and horseshoe magnets
  • Detecting the magnetic field around a current-carrying conductor
  • Group activities in which each bench needs its own pivoted needle

Scope of supply and ordering

Needles are supplied in the lengths ordered from the four listed sizes. Accessories, spares and quantities are confirmed on the quotation.

Minimum order quantity, lead time and packing are confirmed on each quotation according to the mix of sizes and the delivery destination. JaincoLab handles single-school orders, bulk quantities for school programmes and export orders to buyers in Africa, the Middle East and South and South-East Asia.

Frequently asked questions

Which lengths can be ordered?
The needle is listed in 50 mm, 62 mm, 75 mm and 100 mm lengths.

What type of bearing does it have?
It has a brass cup bearing, which rests on a pivot.

Is a jewel bearing version available?
Yes. The Magnetic Needle Jewel Bearing is listed separately in 50 mm, 75 mm and 100 mm sizes.

Related products

Further compasses, needles and magnetism apparatus are in the Physics Lab Equipments category of JaincoLab, a physics lab equipment manufacturer in India.

Request a quote

For a quotation on the Magnetic Needle Brass, send the lengths, quantities and delivery destination via the JaincoLab contact page or email [email protected]. Tender and project enquiries can be sent through the tenders page.

Last updated: September 2026

   
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Office Address

Jain Scientific Suppliers
2475-84, Hargolal Road,
Ambala Cantt, Haryana, India

[email protected]

+91-85699-09696

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