Custom and Economy Indexable Insert Drill Bits For Manufacturing

As one of the most professional indexable drill manufacturers in China, Heygo offers custom carbide indexable drill inserts tool for drilling, plunge drilling, or stack drilling.

You can find the indexable drill that suits your specific requirements here. It helps you achieve a high degree of precision and low tolerance you demand manufacturing working.

Free indexable drill bit samples for your test and reference.
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What Types of Indexable Drill Inserts Do We Have?

What is an indexable drill?

The indexable drill bit is also commonly called U type drill, violent drill, water-filled drill, etc. The indexable drills are made of high quality die steel and carbide inserts. It is equipped with a water outlet hole at the bottom of the drill point and has a high efficiency compared to ordinary drills, and can process up to 5 times deep hole the diameter of the drill at stable cutting conditions.

The main advantage of the indexable insert bit is the replacement of the blade of the drill bit. When the cutting edge of the drill blade becomes dull, it is indexed or turned to reveal a new cutting edge.

What types of indexable insert drills we have?

At present, the indexable insert drills (U-drills) are roughly divided into four types: 2 times diameter(2xD indexable drill), 3 times diameter(3xD), 4 times diameter(4xD), and 5 times in diameter(5xD). The “X twice diameter” can be directly interpreted as the length of the edge of the fast drill is a multiple of the diameter of the blade. It can be referred to as the aspect ratio of the diameter and length of the drill bit.

2xD Solid Indexable Carbide Insert Drill Bit For Hard Metal 3 - INDEXABLE Drills — 2xD Solid Indexable Carbide Insert Drill Bit For Hard Metal

3xD High Quality Indexable Drill Inserts For Stainless Steel 3 - INDEXABLE Drills — 3xD High Quality Indexable Drill Inserts For Stainless Steel

4xD Twisted Coolant Insert Indexable Drill Bit For Aluminum 1 - INDEXABLE Drills — 4xD Twisted Coolant Insert Indexable Drill Bit For Aluminum

5xD High Quality Mould Steel Indexable Insert Drills 3 - INDEXABLE Drills — 5xD High-Quality Mould Steel Indexable Insert Drills

Need Help For OEM & ODM Custom Indexable Drills Price?

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Let’s Try to Know More About Indexable Insert Drills

1. A comparison between an indexable drill and an ordinary drill bit.

Generally speaking, except for titanium alloys, heat-resistant alloys, or materials that are difficult to turn, the overall processing efficiency of the indexable drill is generally 5-10 or more time than ordinary drills.
Ordinary drills need to drill pilot holes, indexable insert drills can directly drill holes.
Ordinary drill bits need to be sharpened or replaced directly. Insert drills usually wear blades, directly replace the blade angle or replace the blade

Ordinary drills generally drill holes with a diameter of less than 20mm, U indexable drill inserts generally drill holes with a diameter of more than 13mm
Under the same circumstances, the accuracy of ordinary drill bits is low, and the precision of the indexable drill bit is relatively high. The surface roughness value is Ra3.2~6.3µm.
Under the same conditions, the processing efficiency of indexable drills bit and the ordinary bit is 5-10 times different
Ordinary drills generally belong to the external cooling mode, U indexable drillS belong to the internal cooling mode
The price of ordinary drill bits is cheaper and the service life is lower. The price of U drills is generally more expensive and the service life is longer.
The bottom of the hole of the common drill bit is tapered, and the hole of the U drill hole is low and flat
Ordinary drill bits can drill deep holes with a length to diameter ratio of 5 times, U-drills generally drill shallow holes with a length to diameter ratio of 5 times or less
The production cost of ordinary drill bits is low and the output is large, while the production cost of indexable U drills is high and the output is low

2. Important Points to note when using U-Drill:

The installation of indexable U-drill should pay attention to the positive and negative directions, which blade is up, which blade is down, which is facing inwards, and which is facing outwards.
The center height of the U indexable drill must be corrected, and the control range is required according to its diameter. Generally, it is controlled within 0.1mm. The smaller the diameter of the U drill, the higher the center height requirement.
The indexable drill has very high requirements for the coolant. It must be ensured that the coolant is ejected from the center of the U indexable insert drill.
The cutting parameters of the U drill are strictly in accordance with the manufacturer’s instructions, but also consider the blades of different brands and the power of the machine tool. You can refer to the load value of the machine tool during processing and make appropriate adjustments. Generally, high speed and low feed are used.
U-drill blades should be checked frequently and replaced in time. Different blades cannot be installed backward.
Adjust the feed amount according to the hardness of the workpiece and the length of the tool overhang. The harder the workpiece, the greater the tool overhang, and the smaller the amount of feed.
Do not use excessively worn blades, record the relationship between blade wear and the number of workable parts in production, and replace with new blades in time.
Use adequate and correct internal coolant. The main function of the coolant is chip removal and cooling.
U indexable drill inserts cannot be used to process softer materials, such as copper and soft aluminum.

Custom and Economy Indexable Insert Drill Bits For Manufacturing

What Types of Indexable Drill Inserts Do We Have?

2xD Solid Indexable Carbide Insert Drill Bit For Hard Metal

3xD High Quality Indexable Drill Inserts For Stainless Steel

4xD Twisted Coolant Insert Indexable Drill Bit For Aluminum

5xD High-Quality Mould Steel Indexable Insert Drills

Need Help For OEM & ODM Custom Indexable Drills Price?

Contact Our Support Team Now

Let’s Try to Know More About Indexable Insert Drills

1. A comparison between an indexable drill and an ordinary drill bit.

2. Important Points to note when using U-Drill:

CONTACT US

Contact Us Now

Custom and Economy Indexable Insert Drill Bits For Manufacturing

What Types of Indexable Drill Inserts Do We Have?

2xD Solid Indexable Carbide Insert Drill Bit For Hard Metal

3xD High Quality Indexable Drill Inserts For Stainless Steel

4xD Twisted Coolant Insert Indexable Drill Bit For Aluminum

5xD High-Quality Mould Steel Indexable Insert Drills

Need Help For OEM & ODM Custom Indexable Drills Price?

Contact Our Support Team Now

Let’s Try to Know More About Indexable Insert Drills

1. A comparison between an indexable drill and an ordinary drill bit.

2. Important Points to note when using U-Drill:

CONTACT US

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