ACME Trapezoid 29° Thread Crest, With Chamfering Blade

[Features]
CoroThread 266, insert for threading
Solid carbide-coated insert
Newly designed inserts with improved ease of mounting and a guide rail with high clamp rigidity
For outer-diameter threading
For ACME trapezoidal 29° threads
Machining pitch: for 4 threads

Part Number

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Part Numbers

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Part Number
266LG-16AC01F080E-1135
266LL-16AC01F080E-1135
266RG-16AC01F080E-1135
266RL-16AC01F080E-1135

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	Cutting Direction	O.D./ I.D. (For Threading)	Number of threads (for threading)	s (Chip Thickness) (mm)	Tip Size	Diameter of Inscribed Circle iC	Material type	Fixing hole diameter d1 (mm)	Theoretical screw height HA (mm)	Difference in Screw Height HB (mm)	Dimensions WT
60.05 €	10	8 Days	Left-hand	Outer Diameter	8 TPI	4	16	0.375	GC1135	4.4	3.94	2.08	1.08
58.25 €	10	6 Days	Right-hand	Internal Diameter	8 TPI	3.97	16	0.375	GC1135	4.4	3.90	2.00	1.03
60.05 €	10	8 Days	Right-hand	Outer Diameter	8 TPI	3.97	16	0.375	GC1135	4.4	3.94	2.08	1.08
60.05 €	10	8 Days	Right-hand	Internal Diameter	8 TPI	3.97	16	0.375	GC1135	4.4	3.90	2.00	1.03

Basic information

Shape	T (Triangle)	Application	Threading	Available corners	3
work material	Steel / Stainless Steel / Cast Iron / Non-ferrous metal / Heat-resistant alloy, titanium alloy	Screw Types (for threading)	Trapezoid 29°	Specifications	With chamfering blade, for machine operation

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Basic Attributes

Cutting Direction
- Right-hand
- Left-hand
Clear
O.D./ I.D. (For Threading)
- Outer Diameter
- Internal Diameter
Clear
s (Chip Thickness)(mm)
3.97

4

5.56

7
Clear
Tip Size
16

22

27
Clear
Diameter of Inscribed Circle iC
0.375

0.5

0.625
Clear
Material type
GC1020

GC1135
Clear
Fixing hole diameter d1(mm)
- 3.97
- 4.4
- 5.5
- 6.5
Clear
Theoretical screw height HA(mm)
1.98

2.26

2.62

2.64

3.13

3.16

3.90

3.94

5.19

5.25

5.29

6.22

6.29

7.77

7.87

10.31

10.47
Clear
Difference in Screw Height HB(mm)
1.04

1.21

1.37

1.43

1.54

1.61

2.00

2.08

2.76

2.84

3.37

3.47

4.28

4.41

5.80

5.95
Clear
Type
- 266R/LG-AC
- 266R/LL-AC
Clear
Number of threads (for threading)
3 TPI

4 TPI

4.4 TPI

5 TPI

6 TPI

8 TPI

10 TPI

12 TPI

14 TPI

16 TPI
Clear