BOSCH 5/8 in x 36 in SDS-max Speed-X Carbide Rotary Hammer Bit - Fast

In this review of the BOSCH 5/8 in x 36 in SDS-max Speed-X rotary hammer bit, the bottom line is simple: it is for professionals and serious DIYers who need a long, fast bit that holds an accurate line through hard concrete. The reviewer found the bit especially useful for deep anchor and through-drilling where speed and centric tracking matter; it cuts quickly thanks to inclined side cutters and the centric tip keeps the hole true. While durability reports are mixed, the overall performance for drilling speed and accuracy makes this a tool worth choosing when consistent hole quality and compatibility with SDS-max systems are priorities.

Key Features

• Universal fit: Compatible with all SDS-max hammers and Hilti hammers using TE-Y/TE-FY shanks so it works across common jobsite tools.
• Solid carbide head: The carbide tip is designed for drilling masonry and concrete with improved wear resistance compared with plain steel points.
• Centric tip: A centric tip guides the bit through hard and reinforced concrete to maintain a straighter hole and better accuracy at depth.
• Aggressive side cutters: Inclined side cutters provide faster cutting action so large-diameter holes are completed more quickly than with flatter cutting geometries.
• Long reach: The 36 in length is intended for deep drilling tasks or jobs where access is limited and a standard bit would be too short.
• Manufacturing precision: Bosch production and split point geometry start on contact to reduce walking and eliminate the need for a center punch in many cases.

Who It's For

This bit is best for concrete contractors, anchor installers, electricians and plumbers who regularly drill deep holes in reinforced concrete or masonry. The combination of a centric tip and aggressive cutters makes it effective when drilling long runs where speed and hole straightness reduce rework and alignment problems.

It is less appropriate for light occasional users who rarely drill concrete or for delicate work where a shorter precision carbide bit would be preferable; some customers reported tip failures after heavy use, so those needing extreme lifetime under continuous production loads may prefer carrying spares or switching to a dedicated carbide-core solution.

Pros & Cons

Pros

• Fast drilling action from inclined side cutters reduces time per hole on hard concrete.
• Centric tip improves accuracy so anchors and through-holes track true at depth.
• Universal SDS-max/TE-Y compatibility makes it convenient across jobsite hammers.
• Solid carbide head offers better wear resistance than standard steel points for most users.

Cons

• Durability is mixed in reports; some users experienced tip breakage after heavy use so performance can vary by application.
• The extra length can be unwieldy in tight spaces and may be more than needed for light trades.

Specifications

Brand	BOSCH
Shank type	SDS-max / TE-Y compatible
Diameter	5/8 in
Length	36 in
Tip material	Solid carbide head
Intended use	Masonry and concrete drilling
Special features	Centric tip and inclined side cutters for speed and accuracy

Our Verdict

The BOSCH 5/8 in x 36 in SDS-max Speed-X bit is a strong choice for tradespeople who need a long, fast, and accurate carbide bit for concrete work; it delivers notable drilling speed and reliable hole tracking. Given mixed durability feedback, carry a spare for demanding production tasks, but for most contractors this bit represents good value and reduces time spent on tough drilling jobs.

Frequently Asked Questions

Will this bit fit my SDS-max rotary hammer?
Yes, it fits all SDS-max hammers and also fits Hilti tools that accept TE-Y/TE-FY style shanks.

Is the tip carbide or steel?
The head is a solid carbide design intended to improve wear resistance and cutting performance in concrete and masonry.

Is 36 in needed for typical anchor work?
For standard anchor holes you may not need the full length, but 36 in is useful for deep or hard-to-reach applications where a standard bit is too short.