So does the hr200 work as a miny jack hammer or just a driil, can i buy a diffrent bit for that type of model to jack hammer up a little concrete

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I need a model number to be able to help you.
Very possibly just a bit lock, quite often they get hung up with grease / concrete but I will need the model.

all these types of jack hammers hammers use 40 w oil
its electric
cant find a user manual for it online

if no visible site glass or oil filler
whats the chances you have to undo part of the jack hammer
at the Allen key bolts

reviews say these arksen units leak oil often

Your drill will drill a hole at any speed, the drill bit needs to be sharp to drill the mateirial.The type of wall material is important.Drywall is soft but a masonry bit should be used.A masonry bit has a flat bar accross the point and slower speeds are best.Wood walls / studs you need wood bits that are sharper and medium to high speeds are used.Concrete or Block walls again require Masonry bits.If very hard concrete as in foundation walls or filled block the use of a Hammer drill will work much faster.Good Luck

Pull back on chuck u have to use sds type bit turn it till you feel it click in

It depends on what kind of fastener you are going to use, a split bolt is different that an ancor bolt and the need different size holes. so tell us the type of anchor bolt your using.

I find a lot of tools on Amazon.com, check there if your local building supply stores can't help you.

I have a Skill 717, too. It has a hex shank. Here are a couple places that I've located that carry (some) parts:
www.icscuttingtools.com (pages 155 & 157)
www.bamanufacturing.com/page_15.htm

also try:
www.ereplacementparts.com
www.toolpartsdirect.com

if there is a large spring around the top of bit area,Just pull the spring to the side and bit will slide out.I could be more detailed with brand, make,model or anything else to go on.

Two drive systems are available on both the hammer drill and the rotary hammer models: 1. SDS (or Slotted Drive System) bits for hammer drills/rotary hammers allow the bit to slide in the chuck and enhance the hammering action of the tool. For most applications, these bits provide plenty of torque. 2. SDS Max bits are similar to SDS bits, but have larger shanks and come in larger sizes than SDS bits. These powerful bits are useful in industrial applications.