For Large Diameter Unified Screw Type Q for UN Inner Diameter Unified Screw

For internally threaded unified screws.

[Features]
· For thread cutting deep, large diameter holes.
· With neck thinly processed and an oil hole, it is suitable for screw-cutting deep holes of medium to thick diameters.
· Stable processing without causing chatter is possible.
· Deep hole drilling can be performed with one pass.
· Blade length is shorter, so cutting resistance decreases.
· Able to thread long blade lengths of up to 3D

Part Number

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Part Numbers

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Part Number
Q1010D3020UN
Q1212D3516UN
Q1212D3518UN
Q1212D4212UN
Q1212E3520UN
Q1616E4216UN
Q1616E4514UN
Q1616F4320UN
Q2020E5512UN
Q2020F5816UN

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	Overall Length (L) (mm)	Shank diameter (d)	Tool Diameter (D) (mm)	Number of flutes	Under Head Length (I) (mm)	I1 (mm)	Thread Diameter	Pitch
349.53 €	1	5 Days	73	10	10	4	30.5	17.8	φ≧12	20-inch
400.63 €	1	5 Days	84	12	12	4	35	20.7	φ≧15	16-Inch models
400.63 €	1	5 Days	84	12	12	4	35.3	19.7	φ≧15	18-Inch models
400.63 €	1	5 Days	84	12	12	4	42.3	25.4	φ≧16	12-Inch models
400.63 €	1	5 Days	84	12	12	5	35.6	20.3	φ≧14	20-inch
580.22 €	1	5 Days	105	16	16	5	42.9	25.4	φ≧19	16-Inch models
580.22 €	1	5 Days	105	16	16	5	45.3	25.4	φ≧20	14-Inch models
580.22 €	1	5 Days	105	16	16	6	43.2	25.4	φ≧18	20-inch
830.08 €	1	5 Days	105	20	20	6	55.1	33.9	φ≧24	12-Inch models
830.08 €	1	5 Days	105	20	20	6	58.8	36.5	φ≧23	16-Inch models

Basic information

Screw Types	Unified	Tool Material Type	Carbide	work material	Low-Carbon Steel (carbon alloy less than 0.25%) / Medium carbon steel (carbon content 0.25 to 0.45%) / High Carbon Steel (C with a content over 0.45%) / Alloy Steel (SCM) / Stainless Steel (JIS-SUS) / Steel casting (SC) / Cast Iron (FC) / Ductile Cast Iron (FCD) / Aluminum Alloy Casting (AC, ADC) / Titanium Alloy (Ti-6Al-4V, etc) / Nickel-based alloy (Inconel, etc.) / Thermosetting plastic (bakelite, phenol, etc.) / Thermoplastic plastic (vinyl chloride, nylon, etc.)
Tap Type	Thread cutter	Hole type	For through hole / For blind hole	Coating Y/N	Available
Coating Type	Nitriding Treatment	Features	Neck is designed thinner and with oil hole, so this is suitable for thread cutting of deep hole from middle to thin diameter. Static processing is achieved without chatter. Thread processing of deep hole is available with single path. Blade length is shorter, so cutting resistance becomes lower. Thread cutting of long blade length up to 3D.	Type	Q Type

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Basic Attributes

Overall Length (L)(mm)
73

84

105
Clear
Shank diameter (d)
10

12

16

20
Clear
Tool Diameter (D)(mm)
10

12

16

20
Clear
Number of flutes
- 4
- 5
- 6
Clear
Under Head Length (I)(mm)
30.5

35

35.3

35.6

42.3

42.9

43.2

45.3

55.1

58.8
Clear
I1(mm)
17.8

19.7

20.3

20.7

25.4

33.9

36.5
Clear
Thread Diameter
- φ≧12
- φ≧14
- φ≧15
- φ≧16
- φ≧18
- φ≧19
- φ≧20
- φ≧23
- φ≧24
Clear
Pitch
12-Inch models

14-Inch models

16-Inch models

18-Inch models

20-inch
Clear
Type
- Q1010D3020UN
- Q1212D3516UN
- Q1212D3518UN
- Q1212D4212UN
- Q1212E3520UN
- Q1616E4216UN
- Q1616E4514UN
- Q1616F4320UN
- Q2020E5512UN
- Q2020F5816UN
Clear