Question 1

What materials is the Milwaukee 48-20-7335 SDS-Plus Drill Bit designed for?

Accepted Answer

The Milwaukee 48-20-7335 is designed primarily for concrete drilling and masonry applications. Its solid carbide 4-cutter construction and rebar guards make it particularly suited to concrete containing rebar and hard aggregate, while the sharp centering tip also supports accurate spot drilling in concrete and metal decking.

Question 2

How does the 4-cutter design help when drilling through rebar?

Accepted Answer

The 4-cutter geometry is designed to help prevent the drill bit from locking up when it encounters rebar. This can help maintain drilling progress and reduce downtime during reinforced concrete applications. The enhanced rebar guards also provide added durability when working in hard aggregate and rebar.

Question 3

Can the Milwaukee 48-20-7335 be used with cordless rotary hammers?

Accepted Answer

Yes. The Milwaukee 48-20-7335 is an SDS-Plus drill bit designed to fit SDS-Plus rotary hammers, including compatible cordless models. Milwaukee states that its variable flute design can deliver up to 20% more holes per battery charge in cordless rotary hammer applications by helping remove dust faster and reduce heat.

Question 4

How does the centering tip improve concrete drilling accuracy?

Accepted Answer

The sharp centering tip is designed to help the Milwaukee 48-20-7335 start holes precisely at the intended drilling location. This feature supports exact spot drilling in concrete and metal decking, which can be useful when accurate hole placement is important for anchors and other installation tasks.

Question 5

How can I tell when the Milwaukee 48-20-7335 drill bit has reached the end of its usable life?

Accepted Answer

The Milwaukee 48-20-7335 includes a wear mark indicator that helps users identify when the bit has reached the end of its service life. The indicator shows when the drill bit no longer meets the required ANSI diameter specifications, providing a visual reference for determining when the bit should be replaced for applications requiring ANSI compliance.

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