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Chisels

• Can IRWIN chisels be re-sharpened? If so, what's the best angle to re-sharpen at?

Circular Saw Blades

• 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?

Drill Bits

• 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?
• How do I resharpen Irwin auger bits?
• How do I resharpen Speedbor flat bits?
• What is the recommended bit speed for flat bits? I am sure that the speed varies by bit diameter and wood species
• What is the function of the hole in an auger bit?
• Does the spade bit #88810 fit in the regular bit extensions #88702 that are not Quick-Change.
• 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.
• How do you sharpen your 1"speedbor ship auger bit ?

Extractors

• What is the difference between a nutsetter that has a standard hex design vs. one that has a lobular design?

Hand Saws

• 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?
• 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?

Hole Saws

• I plan on using my hole saw to cut into iron. What RPM should I use for best results?

Levels

• 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?
• Sometimes working alone, working with a level seems so clumsy. How can I free up a hand?

Marking Chalk

• 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?
• I just bought a chalk reel and the very first marks were hard to see. What happened?
• Every time I snap a chalk line, a huge cloud of chalk forms in the air. Why?
• I just purchased an IRWIN chalk reel and I'm not sure which color chalk I should use for different applications.
• 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?
• I have the straight line chalk real, i borrowed it from a friend, but i don't understand how to make the line "snap"?

Pliers and Adjustable Wrenches

• Are the GrooveLock and ProTouch pliers tested?

Snips

• Can I cut wire with Irwin snips?
• Can Irwin snips be resharpened?
• Are there any materials I should not cut with Irwin snips?

Tape Measures

• What are thes most common applications for the marking feature?
• What is the Diamond symbol every 19'-2" increment?
• Why the Optic-White(TM) blade color?
• Why is there a slot in the front of the end hook?
• How do you support or validate the "3x Durability" Claim?

Taps, Dies, & Sets

• When would I use a tap and die set and how would I properly use them?
• 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?
• When would I use a tap and die set and how would I properly use them?
• IRWIN Taps & Dies information:

Utility Knives & Blades

• What does the 'Bi-Metal' mean when referring to a utility blade?

Laser Guide

• I have a radial arm saw. Will this product work on my saw?
• I have an older model DeWalt miter saw (DW704). Will this product work on my saw?
• How do I change the batteries?
• Can I drill out the arbor to make this fit my saw? Why or why not?
• Mitersaw Laser Guide useful information:

Door Lock Installation Kit

• I just used the large hole saw to drill through my door and it worked great. Now I have to use the small hole saw and the mandrel-pilot bit will not fit into it. What should I do?
• I drilled the large hole in my door and have also drilled the small hole, but the small hole does not go all the way back to the large hole. What can I do?

STRAIT-LINE LL 120

• My tool was working fine a month ago. Now, I have a very faint line where I’m trying to work and a bold line and big dot on the other wall. What can I do to fix this tool?
• What is the measuring tape thing and how does it work?
• I can’t get both bubbles to line up at the same time, can you help me?

STRAIT-LINE Rolling Tape

• My rolling tape is not working. Can you help me?
• My rolling tape is about 2-1/2” off. Is this tool defective?
• My rolling tape keeps giving me the same measurement, even though I’ve measured 2 different distances. Is this tool defective?
• The display on my rolling tape keeps flashing and will not give me a reading. Is this tool defective?

STRAITLINE® Sonic Laser Tape 50

• I just recently purchased your Sonic Laser Tape 50 and when I’m trying to use it, say to measure a length of a room, which I know is 15.6 ft. it gives me a measurement of 50 ft plus or gives me an error message. Is there something I’m doing wrong or is there somewhere I can reset it?
• My laser tape will not measure in feet, only centimeters. How do I fix this?

STRAITLINE Stud Finder 150 LCD (Wall Scanner)

• I am not able to use the marking system on the stud finder. It does not mark and I find no trouble shooting in your manual that addresses this?
• I purchased an Accuscan Wall Scanner about 4 months ago and the unit is not working. When I place it against the wall, it does not show it is calibrating nor does it detect anything. What is Wrong? changed the batteries (fresh ones that I checked) but it still does not work. What can I do?
• I have read the instructions and am still confused about how to calibrate this tool. Can you explain how this tool should be calibrated?

STRAIT-LINE Intersect w/Stud Finder

• The stud finder part of this tool is working but the laser part is not. What should I do?
• When I turn this tool to the unlock icon and set it on the floor or table, my lines are not straight. Should I return this to you to inspect?
• How do I get this tool to stick to the wall?

STRAITLINE Intersect

• I just took this tool out of the package and put the batteries in. I have very faint lines showing. Does this tool need to be returned?
• I just painted my house and don’t want to get adhesive on the wall. Is there a way to use this tool without using the 3M command strips?

STRAITLINE X3

• I have a faint line on the wall where I’m working and a dark line on the adjacent wall. Is there something wrong with this product?

IRWIN Lettered and Numbered Drill Bits

• IRWIN Lettered and Numbered Drill Bits information:

IRWIN Permanent Staining Chalk

• What will remove the permanent staining chalk?