Jiangsu Xingrui Tools CO.,LTD
Professional Tools Supplier In China.
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A. GOST3266 Machine taps set(2 pieces a set )
B. Material:9SiCr(9XC), HSS 4241, HSS 4341, HSS 6542(P6M5), HSS M35(Cobalt 5%, P6M5K5)
C. Standard: GOST-3266-81
D. Surface finishing: Polished, titanium coated,
F. Taps are used for drilling internal threads.
Ideal for auto repair and machinery where metric threads are specified.
The perfectform thread is generated by a combination of effective pitch diameter, majordiameter and chamfer length.
| Size | TPI | L (mm) | l1 (mm) | Size | TPI | L (mm) | l1 (mm) |
| 3 | 0.5 | 48 | 11 | 20 | 0.75 | 102 | 20 |
| 3 | 0.35 | 48 | 11 | 20 | 0.5 | 90 | 20 |
| 4 | 0.7 | 53 | 13 | 22 | 2.5 | 118 | 38 |
| 4 | 0.5 | 53 | 13 | 22 | 2 | 118 | 38 |
| 5 | 0.8 | 58 | 16 | 22 | 1.5 | 118 | 38 |
| 5 | 0.5 | 58 | 16 | 22 | 1 | 112 | 29 |
| 6 | 1 | 66 | 19 | 22 | 0.75 | 112 | 20 |
| 6 | 0.75 | 66 | 19 | 22 | 0.5 | 90 | 20 |
| 6 | 0.5 | 66 | 19 | 24 | 3 | 130 | 45 |
| 8 | 1.25 | 72 | 22 | 24 | 2 | 120 | 35 |
| 8 | 1 | 72 | 22 | 24 | 1.5 | 120 | 35 |
| 8 | 0.75 | 66 | 19 | 24 | 1 | 113 | 33 |
| 8 | 0.5 | 66 | 19 | 24 | 0.75 | 113 | 25 |
| 10 | 1.5 | 80 | 24 | 27 | 3 | 135 | 45 |
| 10 | 1.25 | 80 | 24 | 27 | 2 | 127 | 37 |
| 10 | 1 | 80 | 24 | 27 | 1.5 | 127 | 37 |
| 10 | 0.75 | 69 | 19 | 27 | 1 | 120 | 33 |
| 10 | 0.5 | 69 | 19 | 27 | 0.75 | 120 | 25 |
| 12 | 1.75 | 89 | 29 | 30 | 3.5 | 138 | 48 |
| 12 | 1.5 | 89 | 29 | 30 | 3 | 138 | 48 |
| 12 | 1.25 | 89 | 29 | 30 | 2 | 127 | 37 |
| 12 | 1 | 84 | 24 | 30 | 1.5 | 127 | 37 |
| 12 | 0.75 | 80 | 19 | 30 | 1 | 120 | 33 |
| 12 | 0.5 | 80 | 19 | 30 | 0.75 | 120 | 25 |
| 14 | 2 | 95 | 30 | 33 | 3.5 | 151 | 51 |
| 14 | 1.5 | 95 | 30 | 33 | 3 | 151 | 51 |
| 14 | 1.25 | 95 | 30 | 33 | 2 | 137 | 37 |
| 14 | 1 | 84 | 24 | 33 | 1.5 | 137 | 37 |
| 14 | 0.75 | 84 | 19 | 33 | 1 | 130 | 32 |
| 14 | 0.5 | 80 | 19 | 36 | 4 | 162 | 57 |
| 16 | 2 | 102 | 32 | 36 | 3 | 162 | 57 |
| 16 | 1.5 | 102 | 32 | 36 | 2 | 144 | 39 |
| 16 | 1 | 90 | 29 | 36 | 1.5 | 144 | 39 |
| 16 | 0.75 | 90 | 20 | 36 | 1 | 130 | 32 |
| 16 | 0.5 | 80 | 19 | 39 | 4 | 170 | 60 |
| 18 | 2.5 | 112 | 37 | 39 | 3 | 170 | 60 |
| 18 | 2 | 112 | 37 | 39 | 2 | 149 | 39 |
| 18 | 1.5 | 112 | 37 | 39 | 1.5 | 149 | 39 |
| 18 | 1 | 95 | 37 | 39 | 1 | 144 | 37 |
| 18 | 0.75 | 95 | 20 | 42 | 4.5 | 170 | 60 |
| 18 | 0.5 | 80 | 19 | 42 | 4 | 170 | 60 |
| 20 | 2.5 | 112 | 37 | 42 | 3 | 170 | 60 |
| 20 | 2 | 112 | 37 | 42 | 2 | 149 | 39 |
| 20 | 1.5 | 112 | 37 | 42 | 1.5 | 149 | 39 |
| 20 | 1 | 102 | 29 | 42 | 1 | 144 | 37 |
