DESCRIPTION
The Drill King 5-1/2’’ CC M40 DTH Bit is designed for DTH drilling, with a head diameter of 5-1/2’’ (140mm) and a concave face design. It is compatible with the M40 hammer and features two air holes in the face for efficient air circulation. The bit has a total of 17 premium grade dome buttons – 8 pieces of 5/8’’ gage buttons and 9 pieces of 1/2” face buttons. The Drill King 5-1/2’’ CC M40 DTH Bit shank body is M40 with 12 splines and a length of 8.976’’. Constructed from aircraft-quality alloy steel, each bit undergoes stress relief processing and ISO-certified inspection to ensure quality and durability.
ABOUT DRILL KING INTERNATIONAL
From Drill King International’s Website:
“Built on the principles of excellence, hard work, service and integrity, it is our mission to provide exceptional customer service and the highest level of premium products at fair prices. Drill King is committed to develop and provide products, services and support of the highest caliber; meeting critical deliveries in an ever-changing market.
Drill King International is a US Manufacturer specializing in top quality DTH drilling equipment and accessories serving the water well, mining, oil, gas and civil construction industries. Drill King is an established and proven company with industry experience of over three decades. We are committed to develop innovative products that exceed our customers’ expectations with an uncompromising commitment to quality.
Drill King is proud to be ISO 9001:2015 certified as of August 2011. Achieving the ISO 9001:2015 standards certification gives further credibility to our promise of world-class quality service and our commitment to continual improvement.”




