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Tool Tips > Ask IRWIN Q&A Archive |
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| Chisels |
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Can IRWIN chisels be re-sharpened? If so, what's the best angle to re-sharpen at?
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| Circular Saw Blades |
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I am crosscutting oak veneer plywood on a table saw, and the veneer is chipping on the backside. What type of blade would you recommend to cleanly cut across plywood?
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| Drill Bits |
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Are Irwin cobalt drill bits coated like the titanium ones? If the cobalt bits are rockwell hardness 66 - 67 HRc, what hardness are the titanium bits? Once you sharpen a cobalt bit and the gold coating is gone, is it just a regular bit?
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| 2. |
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How do I resharpen Irwin auger bits?
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How do I resharpen Speedbor flat bits?
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What is the recommended bit speed for flat bits? I am sure that the speed varies by bit diameter and wood species
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| 5. |
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What is the function of the hole in an auger bit?
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| 6. |
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Does the spade bit #88810 fit in the regular bit extensions #88702 that are not Quick-Change.
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| 7. |
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I recently purchased an old 13 piece set of IRWIN Solid Centre Stem Auger Bits from a used tools store for use in a hand-brace. The bits came in a wooden box with a swing-out lower drawer, and a black descriptive label on the inside lid. The box label says "1 set 20 1-2 quarters". What do these numbers mean? The bit numbers are 4, 5, 6, 7, 8, 10, 12, 14, and 16.
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| 8. |
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How do you sharpen your 1"speedbor ship auger bit ?
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| Extractors |
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| 1. |
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What is the difference between a nutsetter that has a standard hex design vs. one that has a lobular design?
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| Fastener Drives |
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| 1. |
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I recently purchased a cargo trailer. There are 2 screws that hold the license plate bracket on. I cannot identify the screw drive type. At first glance I thought it was a Torx head, but upon closer examination and trial I noticed that the star has 8 points instead of 6. The points are not as prominent as a Torx. Can you identify it?
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| Hand Saws |
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What is the proper way to use the reversible offfset dovetail saw? I know it is reversible and it has an offset. What side needs to be offset in relation to the side of the cut?
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| Hole Saws |
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I plan on using my hole saw to cut into iron. What RPM should I use for best results?
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| Levels |
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As a mason who works on large job sites, I have dropped a level and now the level no longer work properly. Does anyone make a stronger level?
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Sometimes working alone, working with a level seems so clumsy. How can I free up a hand?
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| Marking Chalk |
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I am working during the rainy season, and my chalk lines wash away if I don't spray them with polyurethane. Is there any type of chalk that will withstand bad weather, and eliminate this step?
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| 2. |
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I just bought a chalk reel and the very first marks were hard to see. What happened?
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Every time I snap a chalk line, a huge cloud of chalk forms in the air. Why?
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I just purchased an IRWIN chalk reel and I'm not sure which color chalk I should use for different applications.
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| 5. |
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I just purchased Irwin straight chalk line and I don't know how to use. It doesn't have any instruction on how to use it. Do I need to pour the chalk into the tool? or do I need to wet the string and put chalk on it?
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| 6. |
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I have the straight line chalk real, i borrowed it from a friend, but i don't understand how to make the line "snap"&
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| Pliers and Adjustable Wrenches |
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| 1. |
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Are the GrooveLock and ProTouch pliers tested?
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| Snips |
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| 1. |
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Can I cut wire with Irwin snips?
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Can Irwin snips be resharpened?
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| 3. |
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Are there any materials I should not cut with Irwin snips?
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| Tape Measures |
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| 1. |
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What are thes most common applications for the marking feature?
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| 2. |
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What is the Diamond symbol every 19'-2" increment?
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| 3. |
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Why the Optic-White(TM) blade color?
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| 4. |
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Why is there a slot in the front of the end hook?
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| 5. |
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How do you support or validate the "3x Durability" Claim?
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| Taps, Dies, & Sets |
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I was trying to tap a hole in aluminum with a 1/4" tap. Half of the tap broke off in the workpiece. How do I get it out?
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When would I use a tap and die set and how would I properly use them?
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| Utility Knives & Blades |
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| 1. |
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What does the 'Bi-Metal' mean when referring to a utility blade?
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