Right-Angle Hammer Drills?

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Forum topic by BDFan1981 posted 01-10-2012 05:48 AM 3078 views 0 times favorited 0 replies Add to Favorites Watch
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01-10-2012 05:48 AM

Topic tags/keywords: hammer drill right angle conversion

I wonder if anyone has tried to make a right-angle drill out of an end-handle drill (also known as a “D-handle” drill) with the hammer mechanism just behind the drill chuck?

The list of hammer drills that I may want to convert to using a right-angle attachment is:

1. Black & Decker #5036/K Reversing End-Handle Hammer Drill (5036K is kit box version)

2. Milwaukee #5388/89 Heavy-Duty End-Handle Hammer Drill (5389 same as 5388 with kit box)

3. Milwaukee #5398/99 (same as #5388/89 with 3-wire cord)

If any of your efforts in converting a hammer drill to be used with a right-angle attachment are successful, here is what the speeds would be with the head in one of two positions:

Black & Decker #5036
Drill RPM (unit only): 1300 (19,500 BPM)
Drill RPM (low gear position of RA head): 867 RPM (10,400 BPM)
Drill RPM (high gear position of RA head): 1950 RPM (29,250 BPM)

Milwaukee #5388/89/98/99
Drill RPM (unit only): 950 (19,000 BPM)
Drill RPM (low gear position of RA head): 633 (12,667 BPM)
Drill RPM (high gear position of RA head): 1425 (28,500 BPM)

Thank you,


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