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- NEW Items at HermansCentral.com
- Clearance Sale
 Clearance items from Powers, Tilman, Stanley & more...
Check out our Tape Blowout buy 1 case, get 2nd case free!
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Conversion Factors Chart for holesaws & drill bits: | • Conversion Factors • AISI/SAE Numbering System
For Carbon and Alloy Steel • AISI/SAE Numbering System
For Stainless Steel
(Download Adobe PDF)
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| Drill-Tap-Wire Equivalents Table: | |  |
Drill Length Chart:
Determine chart to determine over all length of the drill needed.
(Download Adobe PDF)
| Drill Sizes for Taps:
There are six categories of standard taps. We have brokendown the drill size recommendations into those six categories which appear below.
(Download Adobe PDF)
| Types of Steel:
All of the tools we sell are made from one of seven different types of steel. Each has itsown unique characteristics and use. Generally speaking, you get what you pay for buteach has a specific purpose. Read about the steel types here.
(Download Adobe PDF) |
Last Updated: 09/08/2009
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