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Quick Details

  • Place of Origin: Taiwan
  • Brand Name: GP
  • Model Number: HHG
  • Type: Other

Packaging & Delivery

Packaging Details Box
Delivery Time 30 days
Product Description

Fluteless (Forming) Taps

Using plastic working to produce internal thread, this tap is suitable tapping for low carbon steel, alloy steel, stainless steel and nonferrous metals good stringy materials.

Features of fluteless taps

They are suitable for blind hole tapping in producing internal thread with no chips, they save you time from disposing chips.

The effect of fluteless gives a large cross-section area for the tap that effectively eliminates the problem of chip jamming and thus making the roll very strong.

Fluteless tap produce excellent pitch diameter well within pitch diameter tolerances.

Material deformation process produces the internal thread with good surface finish as well as precise pitch diameter. 

Detail
Metric thread nominal size
Tap limit
Specification
Class 2 drill hole diameter
A
B
C
E
F
Min - Max
Thread overlap ratio %
M3 x 0.5
R5
46
9
4
6
3.2
2.76 ~ 2.81
100 ~ 75
M3.5 x 0.6
R5
48
11
4
6
3.2
3.20 ~ 3.26
100 ~ 75
M4 x 0.7
R6
52
12
5
7
4
3.65 ~ 3.70
100 ~ 85
M5 x 0.8
R6
60
14.5
5.5
7
4.5
4.59 ~ 4.66
100 ~ 80
M6 x 1.0
R7
62
17.5
6
7
4.5
5.48 ~ 5.57
100 ~ 80
M7 x 1.0
R7
65
13
6.2
8
5
6.48 ~ 6.57
100 ~ 80
M8 x 1.25
R7
70
18
6.2
8
5
7.34 ~ 7.41
100 ~ 85
M10 x 1.25
R7
75
19
7
8
5.5
9.34 ~ 9.41
100 ~ 85
M10 x 1.5
R7
75
19
7
8
5.5
9.18 ~ 9.28
100 ~ 85
M12 x 1.75
R8
82
23
8.5
9
6.5
11.05 ~ 11. 15
100 ~85

M14 x 2
R10
88
25
10.5
11
8
12.92 ~ 13.04
100 ~85
M16 x 2
R10
95
27
12.5
13
10
14.92 ~ 15.04
100 ~85
M18 x 2.5
R11
100
29
14
14
11
16.63 ~ 16.78
100 ~85
M20 x 2.5
R11
105
30
15
15
12
18.63 ~ 18.78
100 ~85
Unified thread nominal size
Tap limit
Specification
Class 2B drill hole diameter
A
B
C
E
F
Min - Max
Thread overlap ratio %
NO.4-40 UNC
R5
46
9
4
6
3.2
2.53 ~ 2.60
100 ~ 70
NO.5-40 UNC
R5
46
9
4
6
3.2
2.86 ~ 2.93
100 ~ 70
NO.6-32 UNC
R5
48
11
4
6
3.2
3.09 ~ 3.17
100 ~ 75
NO.8-32 UNC
R6
52
12
5
7
4
3.76 ~ 3.84
100 ~ 75
NO.10-24 UNC
R6
60
14.5
5.5
7
4.5
4.26 ~ 4.35
100 ~ 80
NO.12-24 UNC
R6
60
14.5
5.5
7
4.5
4.92 ~ 5.01
100 ~ 80
1/4-20 UNC
R7
62
17.5
6
7
4.5
5.67 ~ 5.78
100 ~ 80
5/16-18 UNC
R7
70
22
6.1
8
5
7.18 ~ 7.29
100 ~ 80
3/8-16 UNC
R7
75
21
7
8
5.5
8.66 ~ 8.78
100 ~ 80
7/16-14 UNC
R7
80
23
8
9
6
10.11 ~ 10.25
100 ~ 80
1/2-13 UNC
R8
85
25
9
10
7
11.62 ~ 11.78
100 ~ 80
5/8-11 UNC
R11
95
27
12
12
9
14.62 ~ 14.76
100 ~ 85
3/4-10 UNC
R12
105
30
14
14
11
17.67 ~ 17.88
100 ~ 80
Our Company

GoldPlus Technology is a trading company, specializing in sourcing high quality tooling and machinery for the fastener industry. We offer these tooling and machinery at a great price.

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