Jiangsu Profile
Product List
51181. High Quality Customized Hex Socket Fasteners Industrial Machine Screws Various Sizes ... 
[Oct 10, 2026]
[Oct 10, 2026] Screw Thread d M3 M4 M5 M6 M8 M10 M12 (M14) P Pitch 0.5 0.7 0.8 1 1.25 1.5 1.75 2 α tol.(+2) 90° 90° 90° 90° 90° 90° 90° 90° b L≤125 12 14 16 18 22 26 30 34 125<L ≤ 200 / / / 24 28 32 36 40 L>200 / / / / / 45 49 53 dk ...
51182. GB70.1 Dln912 Grade12.9 Whole Tooth Black Oxide M6*10 Alloy Steel Hex Socket Head Screws Metric [Oct 10, 2026]
[Oct 10, 2026] Thread Size d M1.6 M2 M2.5 M3 M4 P Pitch 0.35 0.4 0.45 0.5 0.7 dk max For plain head 3 3.8 4.5 5.5 7 For knurled heads 3.14 3.98 4.68 5.68 7.22 min 2.86 3.62 4.32 5.32 6.78 da max 2 2.6 3.1 3.6 4.7 ds max 1.6 2 2.5 3 4 ...
51183. GB812DIN981 Secure Fastening Round Nut Locking Cap Four-Slotted Bolts with Return Nut for Sturdy ... [Oct 10, 2026]
[Oct 10, 2026] Thread Size M10 M12 M14 M16 M18 M20 M22 d × 1 × 1.25 × 1.5 × 1.5 × 1.5 × 1.5 × 1.5 dk 22 25 28 30 32 35 38 d1 16 19 20 22 24 27 30 m 8 8 8 8 8 8 10 n max 4.3 4.3 4.3 5.3 5.3 5.3 5.3 min 4 4 4 5 5 5 5 t max 2.6 2.6 2.6 ...
51184. High Strength Slotted Nut GB6181 with Fine Tooth Flowering Luo Mother Zinc Plated for Mining ... [Oct 10, 2026]
[Oct 10, 2026] Thread Size d M5 M6 M8 M10 M12 (M14) M16 P Pitch 0.8 1 1.25 1.5 1.75 2 2 e min 8.79 11.05 14.38 17.77 20.03 23.35 26.75 m max 5.1 5.7 7.5 9.3 12 14.1 16.4 min 4.8 5.4 7.14 8.94 11.57 13.4 15.7 n max 2 2.6 3.1 3.4 4.25 ...
51185. Grade 12.9 Black Oxide Hex Socket Head Screws, Alloy Steel, Size M6× 20, GB70.1 / DIN912 Standard [Oct 10, 2026]
[Oct 10, 2026] Thread Size d M1.4 M1.6 M2 M2.5 M3 P Pitch Coarse thread 0.3 0.35 0.4 0.45 0.5 Fine thread pitch-1 - - - - - Fine thread pitch-2 - - - - - dk plain head max 2.6 3 3.8 4.5 5.5 knurled heads max 2.74 3.14 3.98 4.68 5.68 ...
51186. M3.5 25mm Cross Recessed Flat Head Self-Tapping Screws Carbon Steel Black Oxide Finish for ... [Oct 10, 2026]
[Oct 10, 2026] Thread Size d 2 2.5 3 3.5 4 4.5 5 dk max=nominal size 4.5 5.7 6.9 8.1 9.4 10.6 11.8 min 4.1 5.3 6.4 7.6 8.9 10 11.2 k Nominal Size 1.2 1.5 1.9 2.2 2.5 2.8 3.1 max 1.3 1.6 2.05 2.35 2.65 2.95 3.25 min 1.1 1.4 1.75 2.05 ...
51187. GB812dln981 National Standard Lock Nut Round Nut with Slx Slotted Stop Screw and Caps Product ... [Oct 10, 2026]
[Oct 10, 2026] Thread Size d Tr220 Tr240 Tr260 Tr280 Tr300 P Pitch 4 4 4 4 4 d2 h13 Nominal Size 260 290 310 330 360 d1 h13 Nominal Size 242 270 290 310 336 B h13 Nominal Size 30 34 34 38 42 b JS14 Nominal Size 20 20 20 24 24 t H17 ...
51188. GB/T86 Black Oxide Galvanized Carbon Steel Square Head Set Short Cylindrical Screw Top with Wire ... [Oct 10, 2026]
[Oct 10, 2026] Thread Size M5 M6 M8 M10 M12 M16 M20 d P Pitch 0.8 1 1.25 1.5 1.75 2 2.5 dp min 3.2 3.7 5.2 6.64 8.14 11.57 14.57 max 3.5 4 5.5 7 8.5 12 15 e min 6 7.3 9.7 12.2 14.7 20.9 27.1 k Nominal Size 5 6 7 8 10 14 18 min 4.85 ...
51189. GB70.1 Dln912 Grade12.9 Steel Hex Socket Head Screws M6*8 Black Oxide Whole Tooth Metric [Oct 10, 2026]
[Oct 10, 2026] Thread Size d M1.4 M1.6 M2 M2.5 M3 P Pitch Coarse thread 0.3 0.35 0.4 0.45 0.5 Fine thread pitch-1 - - - - - Fine thread pitch-2 - - - - - dk plain head max 2.6 3 3.8 4.5 5.5 knurled heads max 2.74 3.14 3.98 4.68 5.68 ...
51190. Hexagon Welding Nut Iron for Mechanical Equipment Automobile Manufacturing Steel Structure ... [Oct 10, 2026]
[Oct 10, 2026] Thread Size M3 M4 M5 M6 M8 D P Pitch Coarse thread 0.5 0.7 0.8 1 1.25 Fine thread 1 / / / / 1 Fine thread 2 / / / / / b Nominal Size 0.8 0.8 0.8 0.9 1 max 1 1 1 1.12 1.25 min 0.6 0.6 0.6 0.68 0.75 d1 Nominal Size (d11) ...
51191. Inch Metric System Steelcheese Headmachine Screw Zinc Plated Cheese Screws with Cross Recess [Oct 10, 2026]
[Oct 10, 2026] Thread Size d M2 M2.5 M3 M4 M5 P Pitch 0.4 0.45 0.5 0.7 0.8 dk max plain heads 3.8 4.5 5.5 7 8.5 knurled heads 3.98 4.68 5.68 7.22 8.72 min 3.62 4.32 5.32 6.78 8.28 da max 2.6 3.1 3.6 4.7 5.7 ds max 2 2.5 3 4 5 min 1.86 ...
51192. Zinc Alloy Titanium Oil Plug Outer Hexagon Pipe Thread with Dull Head Flange Face & Disc Throat ... [Oct 10, 2026]
[Oct 10, 2026] Screw Thread d G1/8A G1/4A G3/8A G1/2A G3/4A G1A G1-1/4A dc 14 18 22 26 32 39 49 c 3 3 3 4 4 5 5 h 8 12 12 14 16 16 16 L 17 21 21 26 30 32 33 e ≥ 10.89 14.2 18.72 20.88 26.17 29.56 32.95 s max 10 13 17 19 24 27 30 min ...
51193. Stainless Steel Torx Screwt Countersunk Flat Head Screws Metric GB2673 3-80mm Torx Screw [Oct 10, 2026]
[Oct 10, 2026] Thread Sized M3 M4 M5 M6 M8 M10 P Pitch 0.5 0.7 0.8 1 1.25 1.5 dk Theoretical max 7.4 10.02 12 14.44 19.38 23 Actual max 6.57 9.02 10.9 13.2 17.9 21.3 min 6.17 8.52 10.27 12.46 17.09 20.49 ds max 3 4 5 6 8 10 min 2.86 ...
51194. DIN5299 Stainless Steel Spring Hook Safety for Buckle Dog Chain Connector Lock Hook Carabiner [Oct 10, 2026]
[Oct 10, 2026] Size 120 130 140 160 180 200 220 L ≈ 120 130 140 160 180 200 220 d1 Nominal Size 18 18 20 22 22 24 25 max 19 19 21 24 24 26 27 min 17 17 19 20 20 22 23 d2 min 36 38 40 54 72 72 78 d3 12 13 14 16 18 20 22 f Nominal Size ...
51195. DIN 965 GB819 Carbon Steestainless Steelblue and White Zinc Countersunk Machine Screws Countersunk ... [Oct 10, 2026]
[Oct 10, 2026] Thread Size M1.6 M2 M2.5 M3 (M3.5) M4 M5 d P Pitch 0.35 0.4 0.45 0.5 0.6 0.7 0.8 a max 0.7 0.8 0.9 1 1.2 1.4 1.6 dk max=nominal size 3 3.8 4.7 5.6 6.5 7.5 9.2 min 2.75 3.5 4.4 5.3 6.14 7.14 8.84 k max 0.96 1.2 1.5 1.65 ...
