23-GRADE 8.8 BOLT & NUT (ISO)

ROCKSIDE

EXPORT LIMITED

ROCKSIDE

EXPORT LIMITED

Notes:

Left hand side of ‘-’ is minimum value Right hand side of ‘-’ is maximum value Eg. 0.5 - 0.7 min. is 0.5 and max is 0.7Eg. -0.8 max is 0.8 no minimum value Eg. 2.0- min. is 2.0 no maximum value

BOLT SIZE PITCH

STRESS AREA MM2

BOLT/STUD/SCREW ISO 898-1 Gr .8.8

NUT

ISO 898-2 Gr .8

PROOF STRESS N/MM2

PROOF LOAD KN

TENSILE STRESS N/MM2

TOUR-QUE*N-m

HARD-NESS HRC PROOF STRESS N/MM2

PROOF LOAD KN

HARD-NESS HRC M6120.1M8 1.2536.6M10 1.558.8M12 1.7584.358048.9800.078.822-3288074.238 Max M14 2.0115.058066.7800.0125.422-32880101.238 Max M16 2.0157.058091.1800.0195.622-32920144.438 Max M18 2.5192.0600115.2830.0278.423-34920176.638 Max M20 2.5245.0600147.0830.0394.723-34920225.438 Max M22 2.5303.0600181.8830.0536.923-34920278.838 Max M24 3.0353.0600211.8830.0682.423-34920324.838 Max M27 3.0459.0600275.4830.0998.323-34920422.338 Max M30 3.5561.0600336.6830.01,35623-34920516.138 Max M33 3.5694.0600416.4830.01,84523-34920638.538 Max M36 4.0817.0600490.2830.02,36923-34920751.638 Max M39 4.0976.0M42 4.51,120.0M45 4.51,310.0M48 5.01,470.0M52 5.01,760.0M56 5.52,030.0M60 5.52,360.0M64 6.02,680.0M68 6.0 3.060.0M72

6.0

3,460.0

Carbon 0.25-0.55

-0.58Managenese -0.25Sulphur -0.035

-0.15

Silicon Chromium Molybdenum Nickle Vanadium Boron -0.003Phosphorous -0.035

-0.06

Material

Carbon steel quenched & tempered

Medium Carbon Steel

600585.6830.03,06623-34920897.938 Max 600672.0830.03,78923-349201,030.438 Max 600786.0830.04,74823-349201,205.238 Max 600882.0830.05,68423-349201,352.438 Max 6001,056.0830.07,73223-349201,619.238 Max 6001,218.0830.09,15723-349201,867.638 Max 6001,416.0830.011,40623-349202,171.238 Max 6001,608.0830.013,81623-349202,465.638 Max 6001,836.0830.016,76123-349202,815.238 Max 600

2,076.0

830.020,06723-34

920

3,183.238 Max

58011.7800.09.422-3285517.230 Max 58021.2800.022.822-3287031.830 Max 58034.1800.045.822-3288051.730 Max * Torque value based on 75% of proof load and ? nish as recieved steel