Cemented carbide counterbore drills are used for the premachining reamer used as a hinge or in front of the grinding hole, such as drilling, casting hole, forging hole and punching expand.Compared with drills, cemented carbide reamers have the following characteristics:

(1) Cemented carbide reamers are used to expand the existing hole, and therefore the cutting edge does not need to extend to the center, no chisel edge, to avoid the adverse impact of the chisel edge of the chips.

(2) The reaming margin is relatively small, shallow chip flutes large thickness center of drills , the high strength of the cutter body, good rigidity, the larger the amount of feed and the cutting can be employed.

(3) Cemented carbide reamers have many teeth. Generally they have 3 to 4 cutters, the oriented is good and cutting smooth.

Due to the cemented carbide reamers above characteristics, compared to drilling reaming, the former quality, high production efficiency, are also widely used in the production.

Cemented carbide Countersinks

Empty for the processing of flat shoulder or cone shoulder screw head holes and rivet head holes and other openings commonly countersink drill countersink holes can also be used on processed chamfering and deburring cemented carbide countersink drill.

Cemented carbide Countersinks counterbore tools, mainly cylindrical cemented carbide countersink drill conical cemented carbide countersink drill end surface cemented carbide countersink drill.

Cemented carbide countersink drill standard tools can be selected depending on the type of counterbore cemented carbide countersink drill, you can also change the twist drill ground cemented carbide countersink drill.

Used cemented carbide countersink types:

Morse taper shank with interchangeable guide column 90 ° cone cemented carbide countersink s

90 ° cone with overall guide pillar straight shank cemented carbide countersinks

Guide post with interchangeable cemented carbide countersinks Morse taper shank flat-bottomed

The with overall guide pillar straight shank flat-bottomed cemented carbide Countersinks

The Mohs, high-speed steel a short taper shank flat bottom cemented carbide Countersinks

The cemented carbide Mohs short cone flat-bottomed cemented carbide Countersinks

Small diameter face cemented carbide Countersinks

Large diameter face cemented carbide Countersinks

60 °, 90 °, 120 ° cemented carbide countersinks straight shank cone

60 °, 90 °, 120 ° Morse taper shank cone cemented carbide Countersinks

cemented carbide countersinks drilling process of cutting amount

Processing materials	High-speed Steel Countersinks		Cemented Carbide Countersinks
	Feed Rate?/(mm/r)	Cutting Speedυ/(m/min)	Feed Rate?/(mm/r)	Cutting Speedυ/(m/min)
Aluminum	0.13~0.38	120~245	0.15~0.30	150~245
Brass	0.13~0.25	45~90	0.15~0.30	120~210
Soft Cast Iron	0.13~0.18	37~43	0.15~0.30	90~107
Soft Steel	0.08~0.13	23~26	0.10~0.20	75~90
Alloy steel,Tool steel	0.08~0.13	12~24	0.10~0.20	55~60

Cemented carbide reamers

Cemented carbide reamers are used to bore finishing and semi-finishing, the pre-processing can also be used for the grinding hole or Advantech hole money. Cemented carbide reamers reamer many teeth oriented core diameter, rigid machining carbide reamers reaming higher machining accuracy and surface finish.

In order to improve the accuracy of reaming, carbide reamers reaming best workpiece rotating cemented carbide reamers only for feed motion. In order to eliminate the different axes of the of cemented carbide reamers axis curve machine tool main axis machine tools with cemented carbide reamers reaming caused some the reaming vibration ,holes should not expand cemented carbide reamers good floating clamping and reamers precision wire work.

Commonly used cemented carbide reamers types and standard number:

Hand cylindrical cemented carbide reamers(GB/T 1131.1-2004)

Mohs cone metric cone straight shank cemented carbide reamers(GB/T 1139-2004)

Machine with cemented carbide reamers

Taper shank metric cone and Morse conical cemented carbide reamers(GB/T 1139-2004)

Morse taper shank machine cemented carbide reamers with edge inclination(GB/T 1134-2004)

Straight shank machine cemented carbide reamers(GB/T 1132-2004)

Morse taper shank machine cemented carbide reamers

Cemented carbide taper shank machine cemented carbide reamers (GB / T 4251-2004)

Morse taper shank long blade machine cemented carbide reamers (GB / T 4243-2004)

Morse taper shank machine bridge cemented carbide reamers (GB / T 4247-2004)

With edge inclination straight shank machine cemented carbide reamers (GB / T 4244-2004)

Whole sets of high-speed steel machine cemented carbide reamers (GB / T 1135-84)

Tipped nested cemented carbide reamers

The cemented carbide overall nested cemented carbide reamers

The taper shanks machine cemented carbide reamers with taper 1:50

adjustable hand reamers carbide

The ordinary cemented carbide reamers (JB / T 3869-1999)

cemented carbide reamers with oriented dwelling

Chinatungsten Online can provide various sizes and grades of cemented carbide cutting tools, non-standard products are also customized according to customer requirements. Welcome to consult and purchase sales@chinatungsten.com, sales@xiamentungsten.com .