external diameter 116mm down the hole hammer

{"cid":"91182652","title":"SRC543 RC Reverse Circulation Hammer with 4.5inch Hammer Size 116mm External Diameter and 120-135mm Hole Range for Mining and Water Well Drilling","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/68\/15\/7435a12128ce997d1df0222f2baf-200x200-1.jpg","attrs":{"Price":"$1,500","Brand Name":"SOLLROC","Minimum Order Quantity":"1","Place of Origin":"Hunan, China","Weight":"63.0kg","Material":"Carburized steel","Hammer Size":"4.5inch","External diameter":"116mm","Length":"1191mm","Hole range":"120mm-135mm","Bit Shank":"SRE 543","Connection thread":"3.5''\/4'' Remet 4''Metzke","Working Pressure":"1.5-3.5Mpa","Impact rate":"35Hz","Rotation speed":"25-40r\/min","Air consumption 1.7Mpa":"12m3\/min","Air consumption 2.4Mpa":"18m3\/min","Air consumption 3.0Mpa":"26m3\/min","Machine Type":"Drilling Tool"}}