Precision Weighing Balances
Your online source for balances, scales & calibration weights @ discount prices

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20 kilogram grip handle weight is ideal for calibrating scales that require a 20 kg calibration weight. This grip handle weight is made from cast iron, coated with a layer of chip-resistant paint which conforms to NIST Handbook 105-1 standards. The 20 kg grip weight's long-lasting finish greatly reduces the possibility of corrosion.

This weight does not come with any paperwork unless you select the OPTIONAL traceability certificate for an additional cost of $75.00. Please scroll completely down this web page to see the full line of cast iron grip weights we offer.

If you have a laboratory high precision balance check with your Compliance or Quality Assurance Officer for the tolerance weight needed to calibrate your precision balance. Typically you can not use cast iron Class F but instead either 20KG Class 1 or 20,000 gram Class 2 calibration weight.

We also offer a huge selection of Laboratory Calibration Weights and Calibration Mass Sets with Calibration certification and NIST Traceable Calibration for lab balances at

Other Brands 20 KG Test Weight

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Other Brands 20 KG Test Weight
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Other Brands 10 KG Grip Handle Weight - $130.45

Other Brands 25 KG Cast Iron Weight - $179.45

Other Brands 5 KG CastIron Grip Weight - $82.45

Other Brands 50 LB Iron Grip Weight - $149.95
MSRP: $170.00
YOU PAY $143.45
Untitled Document
25 KG Cast Iron Test Weight

Quality Guaranteed by the Toughest Standards of All… Our Own.

Designed for scale calibration, our solid cast iron test weights are sealed to ASTM classes 6 and 7 specifications; Class F tolerances are listed in the National Institute of Standards and Technology Handbook 105-1.  All weights are traceable to NIST.  To verify adherence to class F tolerances, OPTIONAL traceable certificates are available for an additonal $75.00. 

Our cast iron weights undergo a special phosphatizing process in which the metal is thoroughly cleaned and mildly etched to allow exceptional finish adhesion.  The weights are then coated with a layer of chip-resistant paint which conforms to NIST Handbook 105-1 standards.  This two-step process ensures a long-lasting finish that greatly reduces the possibility of corrosion.
12771 - 20 KG Grip Handle Weight Price Scale  Calibration Weight $142.70

12771C - 20 KG Grip Handle Weight WITH traceability certificate Class F  NIST Traceble Weight $217.70

Complete Listing of all Available Cast Iron Grip Handle Weights
WITHOUT traceability certificate
Class Tolerance Part Number Weight Dimensions Price
1lb Class 7 ± 210 mg 12876 1.63" x 2.63" x 1.25" 1 pound Class 7 cal mass $55.00
2 lb Class 7 ± 300 mg 12874 2.06" x 3.13" x 1.63 2 pound Class 7 cal mass $60.00
5 lb Class 7 ± 750 mg 12823 2.63" x 4" x 3" 5 pound Class 7 calibration mass $65.00
10 lb Class 7 ± 1 g 12828 3.25" x 5" x 3.88" 10 pound calibration mass $85.00
20 lb Class F ± 1 g 12870 5.87" x 4.5" x 5" 20 pound cal weight $109.90
25 lb Class F ± 1.1 g 12833 4.38" x 6.63" x 4.93" 25 pound cal weight $133.90
50 lb Class F ± 2.3 g 12839 5.63" x 7.88" x 6.38" 50 pound grip handle calibration weight $146.90
5 kg Class 7 ± 1.4 g 12786 3.25" x 5.38" x 4" 5 Kilogram grip handle calibration weight $80.00
10 kg Class F ± 2.2 g 12767 4.5" x 6" x 4.94" 10 KG grip handle calibration weight $130.00
20 kg Class F ± 2.0 g 12771 7.75" x 5.63" x 5.88" Class F  Calibration Weight $142.70
25 kg Class F ± 2.5 g 12775 5.38" x 8" x 7" Cast Iron Calibration Weights $170.00
All calibration weights are not returnable.  Once your order has been placed it CAN NOT be cancelled.  Please carefully consider this prior to placing your order.  The reason for this is these weights are custom manufactured and are certified on the date they were made.  In addition, if you touch the calibration weight with your fingers the oil in your skin would change the tolerance and we can not take this chance if the weight was returned.


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