Sealey HSS Cobalt Fully Ground Drill Bit Ø3.5mm Pack of 10 DB035CB

Sealey HSS Cobalt Fully Ground Drill Bit Ø3.5mm Pack of 10 DB035CB

Marsoni

M251S

$13.38

Get it in 3 business days with 1 day shipping. Friday, May 29

Sealey HSS Cobalt Fully Ground Drill Bit Ø3.5mm Pack of 10 DB035CBFully ground HSS Cobalt drill bit manufactured to DIN 338. 5% Cobalt gives increased heat hardness which helps extend the life of the drill bit. 135 Split point is self centring which helps to reduce thrust and aids an easier penetration. Efficient clog free swarf clearance. Drills can be resharpened without affecting their performance. Available as a 19pc, 25pc or 170pc set or in packs of individual sizes. High density case for safe storage.

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This seems to work very well. I will say that it seems to be pretty important to move the wheel around as soon as you can to distribute the product within the tire. I was held up for a few minutes and the Liqui tube seemed to start to set up in one spot and made the tire out of balance so I had to work quick to get it to distribute to the other parts of the tire. It seems to have worked though and so far the tires are holding air very well. I will be interested to see if it lasts for a long time but so far so good.

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Reviewed in the United States on May 18, 2026