Product Specifications
Product Description
We can provide you the DIN, UN, JIS, GB, GOST, BS Standard STI Taps, Heliciol Taps.
The type include:
Straight Flute STI Taps,
Spiral Point STI taps,
Spiral Point STI taps.
We are the largest taps manufacturer of private enterprise in jiangsu province.
Nominal
Thread
Size | Tap Dimensions | Number of Flutes | | Length Overall "A" | Length of Thread "B" | Length of Square "C" | Diameter of Shank "D" | Size of Square | Finishing Plug & Bottoming | Spiral Point Plug | Spiral Flute Bottoming | | | Unified Coarse | | 2-56 | 1-7/8 | 9/16 | 3/16 | 0.141 | 0.110 | 3 | 2 | 2 | | | 3-48 | 1-15/16 | 5/8 | 3/16 | 0.141 | 0.110 | 3 | 2 | 2 | | | 4-40 | 2 | 11/16 | 3/16 | 0.141 | 0.110 | 3 | 2 | 2 | | | 5-40 | 2-1/8 | 3/4 | 1/4 | 0.168 | 0.131 | 3 | 2 | 3 | | | 6-32 | 2-3/8 | 7/8 | 1/4 | 0.194 | 0.152 | 3 | 2 | 3 | | | 8-32 | 2-3/8 | 15/16 | 9/32 | 0.220 | 0.165 | 3 | 2 | 3 | | | 10-24 | 2-1/2 | 1 | 5/16 | 0.255 | 0.191 | 3 | 2 | 3 | | | 12-24 | 2-23/32 | 1-1/8 | 3/8 | 0.318 | 0.238 | 3 | 2 | 3 | | | 1/4-20 | 2-23/32 | 1-1/8 | 3/8 | 0.318 | 0.238 | 3 | 2 | 3 | | | 5/16-18 | 2-15/16 | 1-1/4 | 7/16 | 0.381 | 0.286 | 3 | 3 | 3 | | | 3/8-16 | 3-3/8 | 1-21/32 | 7/16 | 0.367 | 0.275 | 4 | 3 | 3 | | | 7/16-14 | 3-19/32 | 1-21/32 | 1/2 | 0.429 | 0.322 | 4 | 3 | 4 | | | 1/2-13 | 3-13/16 | 1-13/16 | 9/16 | 0.480 | 0.360 | 4 | 3 | 4 | | | 9/16-12 | 4-1/32 | 1-13/16 | 5/8 | 0.542 | 0.406 | 4 | -- | -- | | | 5/8-11 | 4-1/4 | 2 | 11/16 | 0.590 | 0.442 | 4 | -- | -- | | | 3/4-10 | 4-11/16 | 2-7/32 | 3/4 | 0.697 | 0.523 | 4 | -- | -- | | | 7/8-9 | 5-1/8 | 2-1/2 | 13/16 | 0.800 | 0.600 | 4 | -- | -- | | | 1-8 | 5-3/4 | 2-9/16 | 1 | 1.021 | 0.766 | 4 | -- | -- | | | 1 1/8-7 | 6-1/16 | 3 | 1-1/6 | 1.108 | 0.831 | 4 | -- | -- | | | 1 1/4-7 | 6-3/8 | 3 | 1-1/8 | 1.233 | 0.925 | 4 | -- | -- | | | 1 3/8-6 | 6-11/16 | 3-3/16 | 1-/18 | 1.305 | 0.979 | 4 | -- | -- | | | 1 1/2-6 | 7 | 3-3/16 | 1-1/4 | 1.430 | 1.072 | 6 | -- | -- | | | Unified Fine | | | 3-56 | 1-15/16 | 5/8 | 3/16 | 0.141 | 0.110 | 3 | 2 | 2 | | | 4-48 | 2 | 11/16 | 3/16 | 0.141 | 0.110 | 3 | 2 | 2 | | | 6-40 | 2-1/8 | 3/4 | 1/4 | 0.168 | 0.131 | 3 | 2 | 3 | | | 8-36 | 2-3/8 | 15/16 | 9/32 | 0.220 | 0.165 | 3 | 2 | 3 | | | 10-32 | 2-1/2 | 1 | 5/16 | 0.255 | 0.191 | 3 | 2 | 3 | | | 1/4-28 | 2-23/32 | 1-1/8 | 3/8 | 0.318 | 0.238 | 3 | 2 | 3 | | | 5/16-24 | 2-15/16 | 1-1/4 | 7/16 | 0.381 | 0.286 | 4 | 3 | 3 | | | 3/8-24 | 3-5/32 | 1-7/16 | 13/32 | 0.323 | 0.286 | 4 | 3 | 3 | | | 7/16-20 | 3-3/8 | 1-21/32 | 7/16 | 0.367 | 0.275 | 4 | 3 | 3 | | | 1/2-20 | 3-19/32 | 1-21/32 | 1/2 | 0.429 | 0.322 | 4 | 3 | 4 | | | 9/16-18 | 3-13/16 | 1-13/16 | 9/16 | 0.480 | 0.360 | 4 | -- | -- | | | 5/8-18 | 4-1/32 | 1-13/16 | 5/8 | 0.542 | 0.406 | 4 | -- | -- | | | 3/4-16 | 4-15/32 | 2 | 11/16 | 0.652 | 0.489 | 4 | -- | -- | | | 7/8-14 | 5-1/8 | 2-1/2 | 13/16 | 0.800 | 0.600 | 4 | -- | -- | | | 1-12 | 5-7/16 | 2-9/16 | 7/8 | 0.896 | 0.672 | 4 | -- | -- | | | 1 1/8-12 | 5-3/4 | 2-9/16 | 1 | 1.021 | 0.766 | 4 | -- | -- | | | 1 1/4-12 | 6-1/16 | 3 | 1-1/16 | 1.108 | 0.831 | 6 | -- | -- | | | 1 3/8-12 | 6-3/8 | 3 | 1-1/8 | 1.233 | 0.925 | 6 | -- | -- | | | 1 1/2-12 | 6-11/16 | 3-3/16 | 1-1/8 | 1.305 | 0.979 | 6 | -- | -- | |
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| Nominal Thread Size | Tap Dimensions | Number of Flutes | | Length Overall "A" | Length of Thread "B" | Length of Square "C" | Diameter of Shank "D" | Size of Square | Finishing Plug & Bottoming | Spiral Point Plug | Spiral Flute Bottoming | | Metric Coarse Series | | M2.2X0.45 | 47.62 | 14.29 | 4.76 | 3.580 | 2.790 | 3 | 2 | 2 | | M2.5X0.45 | 49.21 | 15.88 | 4.76 | 3.580 | 2.790 | 3 | 2 | 2 | | M3X0.5 | 50.80 | 17.46 | 4.76 | 3.580 | 2.790 | 3 | 2 | 2 | | M3.5X0.6 | 53.98 | 19.05 | 6.35 | 4.270 | 3.330 | 3 | 2 | 3 | | M4X0.7 | 60.32 | 22.22 | 6.35 | 4.930 | 3.860 | 3 | 2 | 3 | | M5X0.8 | 63.50 | 25.40 | 7.94 | 6.480 | 4.850 | 3 | 2 | 3 | | M6X1 | 69.06 | 28.58 | 9.52 | 8.080 | 3.040 | 4 | 2 | 3 | | M7X1 | 74.61 | 31.75 | 11.11 | 9.680 | 7.260 | 4 | 3 | 3 | | M8X1.25 | 74.61 | 31.75 | 11.11 | 9.680 | 7.260 | 4 | 3 | 3 | | M10X1.5 | 85.72 | 42.07 | 11.11 | 9.320 | 6.980 | 4 | 3 | 3 | | M12X1.75 | 91.28 | 42.07 | 12.70 | 10.900 | 8.180 | 4 | 3 | 4 | | M14X2 | 102.39 | 46.04 | 15.88 | 13.770 | 10.310 | 4 | 3 | -- | | M16X2 | 107.95 | 50.80 | 17.46 | 14.990 | 11.230 | 4 | 3 | -- | | M18X2.5 | 119.06 | 56.36 | 19.05 | 17.700 | 13.280 | 4 | -- | -- | | M20X2.5 | 124.62 | 56.36 | 19.05 | 19.300 | 14.480 | 4 | -- | -- | | M22X2.5 | 130.18 | 63.50 | 20.64 | 20.320 | 15.240 | 4 | -- | -- | | M24X3 | 138.11 | 65.09 | 22.22 | 22.760 | 17.070 | 4 | -- | -- | | M27X3 | 146.05 | 65.09 | 25.40 | 25.980 | 19.460 | 4 | -- | -- | | M30X3.5 | 153.99 | 76.20 | 26.99 | 28.140 | 21.110 | 4 | -- | -- | | M33X3.5 | 161.92 | 76.20 | 28.58 | 31.320 | 23.500 | 6 | -- | -- | | M36X4 | 177.80 | 80.96 | 31.75 | 36.320 | 27.230 | 6 | -- | -- | | M39X4 | 177.80 | 80.96 | 31.75 | 36.320 | 27.230 | 6 | -- | -- | | Metric Fine Series | | M8X1 | 74.61 | 31.75 | 11.11 | 9.680 | 7.260 | 4 | 3 | 3 | | M10X1 | 80.71 | 36.51 | 10.32 | 8.200 | 6.150 | 4 | 3 | 3 | | M10X1.25 | 85.72 | 42.07 | 11.11 | 9.320 | 6.980 | 4 | 3 | 3 | | M12X1.25 | 91.28 | 42.07 | 12.70 | 10.900 | 8.180 | 4 | 3 | 4 | | M12X1.5 | 91.28 | 42.07 | 12.70 | 10.900 | 8.180 | 4 | 3 | 4 | | M14X1.5 | 96.84 | 46.04 | 14.26 | 12.190 | 9.140 | 4 | 3 | 4 | | M16X1.5 | 107.95 | 50.80 | 17.46 | 14.990 | 11.230 | 4 | 3 | -- | | M18X1.5 | 113.51 | 50.80 | 17.46 | 16.560 | 12.420 | 4 | -- | -- | | M20X1.5 | 119.06 | 56.36 | 19.05 | 17.700 | 13.280 | 4 | -- | -- | | M22X1.5 | 130.18 | 63.50 | 20.64 | 20.320 | 15.240 | 4 | -- | -- | | M18X2 | 113.51 | 50.80 | 17.46 | 16.560 | 12.420 | 4 | -- | -- | | M20X2 | 124.62 | 56.36 | 19.05 | 19.300 | 14.480 | 4 | -- | -- | | M22X2 | 130.18 | 63.50 | 20.64 | 20.320 | 15.240 | 4 | -- | -- | | M24X2 | 130.18 | 63.50 | 22.22 | 22.760 | 17.070 | 4 | -- | -- | | M27X2 | 138.11 | 65.09 | 25.40 | 25.930 | 19.460 | 4 | -- | -- | | M30X2 | 146.05 | 65.09 | 26.99 | 28.140 | 21.110 | 6 | -- | -- | | M33X2 | 153.99 | 76.20 | 28.58 | 31.320 | 23.500 | 6 | -- | -- | | M36X2 | 169.86 | 80.96 | 28.58 | 33.150 | 24.870 | 6 | -- | -- | | M39X2 | 177.80 | 80.96 | 31.75 | 36.320 | 27.230 | 6 | -- | -- | | M36X3 | 169.86 | 80.96 | 28.58 | 33.150 | 24.870 | 6 | -- | -- | | M39X3 | 177.80 | 80.96 | 31.75 | 36.200 | 27.230 | 6 | -- | -- |
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We have been developing, manufacturing and trading in high quality cutting tools since 1985.
Our factory locates in the east of Yangzhou city, nearby the 328 National Road and JING-HU High Way and NING-QI railway, is the largest private taps manufacturer in jiangsu province.
We have two machine taps producing lines, two hand taps producing lines, one drills producing line, and one hand tools producing line. Also we have one examing room(Tools-microscope, American industriy projector)
Our main products include: Taps, Dies, Twist drill bits, Center drills, Extractor, Taps-Dies sets, Combination drill sets. Thread repair tools,
We can produce tools of ISO, JIS, UN, DIN and BS standard and special tools as well.
There is a good market for our products not only in domestic market, but also in European and American market.
