The Bosch 1194AVSRK 8 Amp 1/2-Inch Hammer Drill, and similar used products, can be purchased with prices ranging from near $100 to $200. Spline drives are not as common in the marketplace, with a design of the spline drive providing more surface-grab for high-torque use.Ī Bosch 11236VS 7.5 Amp 1-1/8-Inch SDS Rotary Hammer, and like drills, are priced from $165 to over $300. It is designed for hammers over 11lbs (5 kg). SDS-Max has an 18 mm shank with three open grooves and locking segments rather than balls. SDS/SDS-Plus is a 10 mm shank with 2-4 open grooves held by the driving wedges, and two closed grooves held by locking balls. In ‘drill’ mode, the drill operates like a normal drill which rotates only. This is done by simply pushing a selector into ‘drill’ or ‘hammer drill’ or ‘hammer’ mode. Most rotary hammer drills can also be operated as a normal drilling as well as a mini jackhammer. SDS uses a cylindrical shank on the bit, with indents held by the chuck. Selector for drill / Hammer drill/ hammer mode. SDS, which in German is ‘Steck – Dreh – Sitz’ (translated ‘Insert – Twist – Stay’), was developed by Bosch in 1975 for hammer drills. Some system examples are “SDS”, “SDS Plus”, “SDS Max”, and “spline”. The chuck/drive system is a key component of these power drilling tools. This video demonstrates the use of a hammer drill on a concrete brick:Ī similar video on how to use a rotary hammer: Rotary hammer drilling through hard concrete
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |