track bolts nuts m20x55 12.9 class

bolts nutsTechnique:Forging/Casting high quality Color:Black or Yellow Certification:ISO2000 Finish:smooth MOQ:1000pieces

1. we are manufacture;

2. NANTE has two main manufacture bases, 5 main factories with 12 product lines of machining, welding, heat treatment, assembly, painting, casting ect.,

3. our main products are

(1)mini&midium excavators  

(2)excavator buckets  

(3) excavator track shoes  

(4) mini& midium excavator track group  

(5) excavator undercarriage rollers such as track roller, carrier roller, sprocket and Idler assy  

(6) casting bucket teeth, adaptors, side cutters

(7) track bolt & nuts

(8) excavator standard Boom, arm and long reach; grab; quick-hitch ect.

4. Track bolts & nuts

(1)Grade: 4.8 -- 12.9,A2, A4

(2)Size: M3-M72

(3)Finish:plain, zinc plated, hot dip galvanized, dacroment

(4)Material:Carbon steel, stainless steel

(5)Packing: Standard export packing or According to customer's requirement

 5. products parts for reference

 tack bolts and nuts

12*40	16*90	19*65	20*95
12*45	18*47	19*68	22*70
14*40	18*50	20*47	22*78
14*45	18*56	20*50	22*80
14*55	18*60	20*54	24*68
16*45	18*62	20*57	24*70
16*47	18*70	20*65	24*75
16*53	18*78	20*68	24*80
16*62	18*90	20*70
16*70	19*62	20*90

track bolts nuts m20x55 12.9 class