Underreaming bit

Summary:

Can adjust the expansion diameter according to needs

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Category:

Rotary drilling tool

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Can adjust the expansion diameter according to needs

Product Details

Characteristics of drilling tools
Can adjust the expansion diameter according to needs
Used in conjunction with a sand scoop or a hole cleaning drill bit
Box type main structure, simple structure, flexible contraction and expansion, easy maintenance
Applicable strata: hard soil layer, permafrost layer, medium soft rock layer
Customizable projects
Customized model diameter: Design cutting diameter according to customer needs, such as φ 950, φ 1050, etc
Strengthening customization of key structures: according to customer needs, strengthen parameters of various parts, such as wall thickness thickening, bottom plate thickening, etc
Customized square head size: Customized drill according to customer's drill pipe square head Д Square head size, usually 130 x 130, 150 x 150, 200 x 200, etc
Customization of Wing Spans: Can be designed according to customer needs for two wing bottom drills, three wing bottom drills, etc
Customized number of limit holes: Multiple limit holes can be designed according to customer needs to meet the expansion needs of different diameters
Technical parameter

Type spectrum specifications	Drilling tool height	Number of limit holes	Number of teeth	Intermediate level	Weight
600 expansion 1200	3050	2	14	800 1000	900
800 expansion 1600	3100	2	16	1200 1400	1100
1000 expansion 2000	3050	2	20	1500 1800	1500
1200 expansion 2400	3050	2	24	1800 2200	2400
1500 expansion 3000	4000	2	30	2600 2800	2800
Optional square head	Sany 150 cubic meters 150 * 150		Bao'e 200 square meters 200*200

Keyword:

Clear hole drill bit

Long spiral drill bit

Clear hole drill bit

Long spiral drill bit

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