First grade quality. Alloy steel. 12.9 grade . High strength. Had been exported to many countires.

1.Product imformation: 

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.

2.Design / Structure / Details Pics

  

3.Advantages / Features:

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

Workshop Products

  

4.Factory View

Cold Forging Machine        Hot Forging Machine       Heat Treatment production line

   

5.Certificates

There are more 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

Sell 40Cr high strength 12.9 grade plow bolt cutting edge bolt