M12 Stainless Steel Machining Parts Simple Ball Head Bolt For Conversion Valve

Price Negotiable

Price: Negotiation

MOQ: Negotiation

Delivery Time: 30 days

Brand: VDL

Product Description

M12 Stainless Steel Machining Parts Simple Ball Head Bolt For Conversion Valve

Simple design with practicable purpose for conversation valve machined part, it has a big bal head for convenient operation by hand , there is threaded section length on the end length so that to be screwed into threaded hole and fixed , and in the middle of length is a shaft with bevel angle , the upper diameter is smaller than the bottom diameter , this design makes operation is more smooth .

Material for conversation valve machined part

Conversation valve machined part is made of stainless steel 303 with polished surface .

Chemical elements for conversation valve machined part

C	Si	Mn	S	P	Mo	Cr	Ni
0.15	1	2	0.15	0.2	0.6	18	9

Physical performance for conversation valve machined part

Fusing point(℃)	1290~1368
specific heat capacity(0~100C,KJ·kg-1K-1)	0.5
Heat conductivity(W·m-1·K-1)	(100℃)15.5
Resistivity(20,10-6Ω·m)	0.73

Mechanical property for conversation valve machined part

Tensile strength σb (MPa)	550
Yield Strength σs (MPa)	210
Elongation δ5 (%)	50
Reduction of area ψ (%)	55
Density g/cm3)	7.98

Finish for conversation valve machined part

Polishing

Grey

0.01mm ( reference )

Improving brightness of surface

Dimensions for conversation valve machined part

Ball diameter	25
Threaded section length	20
Threaded section diameter	M12
Middle shaft length	30
Middle shaft diameter	20mm and 10mm
Tolerance	+/-0.1

Unmarked tolerances for conversation valve machined part

Linear tolerances

Level	0.5-0.3	3-6	6-30	30-120	120-400	400-1000	1000-2000	2000-40000
f	±0.05	±0.05	±0.1	±0.15	±0.2	±0.3	±0.5	-
m	±0.1	±0.1	±0.2	±0.3	±0.5	±0.8	±1.2	±2
c	±0.2	±0.3	±0.5	±0.8	±1.2	±2	±3	±4
v	-	±0.5	±1	±1.5	±2.5	±4	±6	±8

Angle tolerances

Level	0-10	10-50	50-120	120-400	Above 400
f	±1°	±0°30'	±0°20'	±0°10'	±5°
m	±1°	±0°30'	±0°20'	±0°10'	±5°
c	±1°30'	±1°	±0°30'	±0°15'	±0°10'
v	±3°	±2°	±1°	±0°30'	±0°20'