WESTWARD H5
Frequently asked questions
Common questions about WESTWARD H5 from 3G Electric.
What does the H5 designation mean in Westward H5 power tool parts?
The H5 designation refers to a tolerance class for thread cutting tools, specifically for taps. In the context of Westward H5 parts, it indicates a medium precision fit that is suitable for general industrial threading applications. H5 taps are designed to produce threads within a specific tolerance range, balancing accuracy with durability. This class is commonly used in maintenance and repair work where standard thread fits are acceptable. The H5 series from Westward includes taper, plug, and bottom chamfer types to accommodate different threading needs.
Which Westward tool models are compatible with the H5 taper, plug, and bottom parts?
Westward H5 parts are designed to fit specific Westward power tool models. Based on the available SKUs, the H5 taper and bottom parts (e.g., 45T846, 45T885) are compatible with model 1PZ38. The H5 plug parts (e.g., 45T867, 45M963) are compatible with models 1PZ33, 1PZ34, 1PZ35, 1PZ36, and 1PZ37. Always verify the compatible model number listed on the part or its packaging before installation to ensure proper fit and function.
What thread sizes are available in the Westward H5 series?
The Westward H5 series includes a range of Unified Coarse (NC) and Unified Fine (NF) thread sizes. Available sizes include 3/8-16NC, 7/16-14NC, 7/16-20NF, 9/16-18NF, 5/8-11NC, 5/8-18NF, and 3/4-16NF. These sizes cover common inch-based thread standards used in industrial equipment and machinery. Each part is specified by its thread size and chamfer type, allowing buyers to select the correct component for their application.
What is the difference between taper, plug, and bottom chamfer in Westward H5 taps?
Taper taps have a gradual cutting edge that starts threads easily and is ideal for through holes or starting threads in blind holes. Plug taps have a shorter chamfer and are used for general-purpose threading in both through and blind holes. Bottom taps have a very short chamfer, allowing threading close to the bottom of a blind hole. Westward H5 parts are available in all three types, each identified in the product specifications (e.g., 'H5 Taper' or 'H5 Bottom').
How can I identify the correct Westward H5 part for my power tool?
To identify the correct Westward H5 part, check the manufacturer part number (MPN) and the compatible tool model listed on the product. For example, MPN 440-1360 is an H5 Taper for 3/4-16NF threads and fits model 1PZ38. The product specifications also include the chamfer type (taper, plug, or bottom) and thread size. Cross-reference these details with your tool's requirements. 3G Electric provides these specifications for each SKU to assist in selection.
Does 3G Electric supply WESTWARD H5 products?
Yes — 3G Electric (S) Pte. Ltd. supplies WESTWARD H5 products. We stock the WESTWARD H5 catalog and supply genuine factory-original products with full manufacturer warranty and technical support.




























