Question about Bosch Skil No.4280 - 01Variable Speed Jig Saw 3.5A

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It's actually a Skil model 4280 sabre saw. Problem is it doesn't grip blades properly, so they are constantly slipping out. Chuck seems to be engaged, have shot WD-40 in it - no change. Ideas?

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There is nothing wrong with your Skil 4280. The universal U chuck blade is the problem. Look at Lenox blade 4318JC or Disston 5418 and you will see a slight ridge on the face of the blade on both sides where the teeth start and the blade tail engages the chuck. Without the ridge the blade will come out.

Posted on Nov 10, 2010

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Getting a broken blade our of the sawzall chuck can be difficult and require some ingenuity and patience...
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1 Answer

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