Forged 4340 h beam conneciting rods for bmw

The rod main Features are as follow:

1>     Connecting rod Material: 40CrNiMoA(4340) Forged  Steel.

2>     Hardness after quenching and tempering is  HRC33-38.

3>     Special doweled cap and profiled clearance for stroker  application.

4>     Silicon bronze bushings for floating piston wrist pins.

5>     Fully machined to produce the lightest and strongest rod  possible.

6>     Sets weight matched to +/-1 grams.

 https://www.china.cn/product-detail/h-beam-M5-3-8L-connecting_1876967177.html?spm=a2700.7724838.0.0.M5Ne9O

 Detailed product description:

1.shot-peening effect. we are strict to select steel shot. We only use the cleanest shot which has the most suitable size. The result is our rods`surface is very bright and smooth.

2.Big end surface effect. the surface is very smooth , the R part is mellow and full.It is hard to see the tool vestige

3.Bolt seat.you can see the roof `s arch is mellow and full. Only CNC can reach this degree

4.Smooth finish of BE BORE surface .it`s precision is within 0.01mm after honing. It is even used to be your mirror.

6.generally,2.5mm-3mm diameter oil hole on the pin end