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Description：
The mechanical grade is 12.9, case hardening HRC 38-42, Material is 40CR,and the surface is treated with bluing, screw thread has two type description, one is the metric system:M12-M24-6g, another is denominator system:1/2"-1"/4--2A.the specification can be customized.
Specification
Plow bolt testing results:
| NAME OF SAMPLE | PLOW BOLT | DESCRIPTION | DIAMETER >16 | |||||
| MARKS | RAW MATERIAL | 40Cr | ||||||
| GRADE | GRADE:12.9 | QUANTITY | 4 | |||||
| NBIS | JB/T 5932.5-1991THE BOLT IS USED TO THE CUTTING TIP of Bulldozer,Scooptram and Grader | |||||||
| RESULTS | Chemical Composition | The Chemical Composition of Raw Material% | ||||||
| Name | C | Si | Mn | Cr | RESULT | |||
| Standard Value | min | 0.37 | 0.17 | 0.5 | 0.8 | |||
| max | 0.44 | 0.37 | 0.8 | 1.1 | ||||
| Measured Value | 0.39 | 0.23 | 0.68 | 0.92 | Qualified | |||
| HARDNESS | Standard Value | HRC38-42 | ||||||
| Measured Value | 1# | 2# | 3# | 4# | RESULT | |||
| 39 | 40 | 42 | 41 | Qualified | ||||
| TEST DATE | REPORT DATE | |||||||
Bolt and nut model as follow:
| Goods of description | Specification | Model |
| TRACK BOLT - 3/4 x 61mm | TB3/4*2.13/32B | 7H3598 |
| TRACK NUT - 3/4 | TB3/4NS | 1S1860 |
| TRACK BOLT - M18 X 59mm | TB18*59B | 79004259 |
| TRACK NUT - M18 | TB18NS | 79009445 |
| TRACK BOLT 1"X90MM(D9N) | TB1*3.35/64B | 6T2638 |
| TRACK NUT 1" (D9N) | TB1NU | 7G0343 |
| TRACK BOLT 5/8"X53MM | TB5/8*2.5/32B | 9G3110 |
| TRACK NUT 5/8" | TB5/8NS | 1M1408 |
| TRACK BOLT M20 X 63MM | TB20*63WB | 6Y0846 |
| TRACK NUT M20 | TB20NS | 9W3361 |
| TRACK BOLT M20 X 56MM | TB20*56WB | 20Y-32-1121A |
| TRACK NUT M20 | TB20NS | 20Y-32-16 |
| TRACK BOLT M22X73MM (330 Exc) | TB22*73B | 8E6103 |
| TRACK NUT M22 (330 Exc) | TB22NS | 9W4381 |
| TRACK BOLT M24X75MM(D155) | TB24*75B | 176-32-11210 |
| TRACK NUT M24(D155) | TB24NS | 176-32-11220 |
| TRACK BOLT M30X96(D375-2/3) | TB30*96B | 195-32-61210 |
| TRACK NUT M30 (D375-2/3) | TB30NU | 195-32-61221 |
| TRACK BOLT 7/8" X 85MM D8N/R/L | TB7/8*3.11/32B | 7T2748 |
| TRACK NUT 7/8" D8N/R/L | TB7/8NU | 7G6442 |
| Segment Bolt (M22 x 1.5 x 71mm) D65/D85 | SM22*70B(D85) | 155-27-12181 |
| Nut - Hex (M22 x 1.5) D65/D85 | SM22NH | 01803-02228 |
| TRACK BOLT M27 X90MM C375 | TB27*90B | 6Y7432 |
| TRACK NUT M27 | TB27NU | 6Y7433 |
Some other model for Bolt and nut:
175-71-11454,175-71-11463,154-70-11141,154-70-11150,155-27-12181,154-27-12320,178-27-11150,195-27-12632,176-32-11220,178-32-11220,195-32-11221,195-32-11210,D85,D65,D6C,D8K