Fireblock136 Residential Rated Non-Combustible Fire Block, 10.3 oz Caulk Tube, for Residential Applications, Red sold2026 If you've got metal working

If you've got metal working questions

It is widely used as an electrical insulation transformer

Shanks are 1/8 inch

w/APKT11T3 Carbide Inserts

Tip: Please wear gloves and other protective equipment to ensure safe handling

Fireblock136 Residential Rated Non-Combustible Fire Block, 10.3 oz Caulk Tube, for Residential Applications, Red sold2026 If you've got metal workingFireblock136 Residential Rated Non Combustible Fire Block, 10. 3 oz Caulk Tube, for Residential Applications, Red NSi Fireblock136 fire blocking caulk is a single component, non combustible material for residential applications. Colored red for easy inspection, fireblock136 creates an effective barrier against flames, smoke, and toxic gasses and has superior adhesion and gunnability. Fireblock136 is for use in annular spaces around wires, pipes,