Saw Accessories - Other FAQs
How do I know if a jigsaw blade will fit my tool?
Check your jigsaw’s manual or the tool’s specifications for the shank type it accepts — most modern jigsaws use a T-shank. Measure the blade length needed for your typical cuts in inches, and confirm the blade’s shank matches. Comparison sites let you filter by shank type so you don’t buy mismatched blades.
What does TPI mean and how should I choose it?
TPI stands for teeth per inch and describes how fine or coarse the blade’s teeth are. Lower TPI (e.g., 6–10) removes material faster and is good for thick wood; higher TPI (e.g., 18–24) gives a smoother finish for thin materials or metal. Match the TPI to the material thickness and the finish you want.
Are universal blades really versatile enough for most DIY jobs?
Yes, universal blades are designed for mixed materials and general use, making them great for hobbyists and one-off projects. They won’t outperform material-specific blades for every task, but they offer a convenient balance of performance across wood, plastic, and thin metal.
How many different types of blades should a home DIYer keep on hand?
A small, practical kit could include a few T-shank jigsaw blades with varying TPI, a multi-pack of circular saw blades for both ripping and finishing (40–60 teeth for fine cuts), a set of reciprocating saw blades for demolition, and a bi-metal blade for occasional metal cutting. This mix covers most common home and garden jobs.
Can I sharpen worn blades or should I replace them?
Some blades, like high-speed steel, can be resharpened a few times, but carbide-tipped and many thin jigsaw blades aren’t worth sharpening. If teeth are missing, the blade is bent, or cutting performance doesn’t improve after adjusting speed and feed, replacing the blade is safer and more cost-effective.