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INSIZE Hardness Test Block: 1 in Overall Lg, 4 1/8 in Overall Wd - Hardness Reference Blocks
INSIZEHardness Reference Blocks

INSIZE Hardness Test Block: 1 in Overall Lg, 4 1/8 in Overall Wd

The INSIZE Hardness Test Block (MPN HDT-B-HB25A1) is a hardness reference block designed for use with Brinell hardness testers. It measures 1 inch in overall length, 4 1/8 inches in overall width, and 3 7/8 inches in…

SKU 3G-OTH-364340

Brand
INSIZE
Item
Hardness Test Block: 1 in Overall Lg, 4 1/8 in Overall Wd
Category
Hardness Reference Blocks
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Technical Specifications

INSIZE
Manufacturer Part Number
HDT-B-HB25A1
Overall Ht
3 7/8 in
Overall Wd
4 1/8 in
Product Type
Hardness Test Block
Compatible Product Type
Brinell Hardness Tester
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INSIZE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The INSIZE Hardness Test Block (MPN HDT-B-HB25A1) is a hardness reference block designed for use with Brinell hardness testers. It measures 1 inch in overall length, 4 1/8 inches in overall width, and 3 7/8 inches in overall height.

Frequently Asked Questions

What is the INSIZE Hardness Test Block used for?

The INSIZE Hardness Test Block (HDT-B-HB25A1) is used to verify and calibrate Brinell hardness testers. It provides a known reference hardness value, ensuring accurate and repeatable measurements in quality control, material testing, and metallurgical labs across industries.

What are the specifications of the INSIZE Hardness Test Block?

The INSIZE Hardness Test Block (MPN HDT-B-HB25A1) has an overall length of 1 in, overall width of 4 1/8 in, and overall height of 3 7/8 in. It is designed for use with Brinell hardness testers and is manufactured by INSIZE.

Where to buy the INSIZE Hardness Test Block worldwide?

3G Electric supplies the INSIZE Hardness Test Block (HDT-B-HB25A1) to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time.

How to use the INSIZE Hardness Test Block for calibration?

To calibrate a Brinell hardness tester, place the INSIZE test block on the anvil, apply the specified test force per ASTM E10, measure the indentation diameter, and compare it to the block's certified value. Repeat as needed to verify tester accuracy.

Used in

Common applications for INSIZE
Quality control inspection — INSIZE digital calipers (1118-150R) for dimensional checks on machined parts.
Machine tool setup — INSIZE dial test indicators (2380-301) for aligning workpieces and measuring runout.
Hardness testing verification — INSIZE hardness test blocks (HDT-B-HV30D) for calibrating Vickers testers.
Layout and marking — INSIZE precision steel squares (4745-1120) for checking 45° angles on fixtures.
Workpiece holding — INSIZE magnetic V-blocks (6889-2) for securing cylindrical parts during measurement.
Groove and recess measurement — INSIZE small point jaw calipers (1169-150) for measuring internal features.

INSIZE Products

3G Electric supplies INSIZE hardness reference blocks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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