what does 12.9 mean on a bolt（関連順）

1:32

Bolt grade explained

technoworks

192,807 回視聴 - 4 年前

3:58

Metric Fastener Grades & Strengths Explained!! (Class 4.6, 8.8, 10.9, & 12.9)

BoltsandNuts com

13,681 回視聴 - 1 年前

20:23

Strongest Bolt? Grades Explained & Dyno Tested For Science

Torque Test Channel

1,182,379 回視聴 - 2 年前

6:50

Bolt Head Markings: What do they mean? | Fasteners 101

Albany County Fasteners

187,864 回視聴 - 6 年前

1:23

Bolt Tensioning vs. Torquing, Compared

Hex Technology

81,201 回視聴 - 3 年前

3:59

Bolt Head Number meaning |Description| Bolt Grade| tensile & Yield Strength meaning|

Technical Knowledge

4,221 回視聴 - 2 年前

2:10

Bolt head markings—what do the letters and symbols mean? | FAQ

Fasteners Plus

13,766 回視聴 - 2 年前

1:46

What's the difference between 4.6,8.8 and 12.9 bolts

Mechanical Zone

8,377 回視聴 - 6 年前

3:39

How Metric Bolts are Measured

Hacks by Dad

130,112 回視聴 - 3 年前

0:52

High Strength Class8.8 10.9 12.9 Hex Bolt DIN 931 DIN 933 Hex Head Cap Bolt

Kunshan Grace Hardware Co., Ltd.

172 回視聴 - 1 年前

2:02

Determining Bolt Grade and Head Markings

Northeast Fasteners

188,360 回視聴 - 15 年前

17:58

The Incredible Strength of Bolted Joints

The Efficient Engineer

3,081,707 回視聴 - 1 年前

1:19

Grades of Bolts | The Home Depot

The Home Depot

18,347 回視聴 - 3 年前

6:42

Stainless steel bolts vs steel bolts | Stainless galling

Ultimate Handyman

87,058 回視聴 - 5 年前

0:03

High strength bolts with hardness of 12.9

GUALAJY Guan

124 回視聴 - 3 年前

1:26

[Sub-thai] High Tensile Hex Head Bolt 12.9 สกรูมิลดำเหล็กแข็ง 12.9 ดีกว่า เกรด 8.8 แค่ไหน? อย่างไร?

Saikyo Tools Channel

2,599 回視聴 - 1 年前

5:30

Bolt grade specification || Bolt head grade, Bolt grade 8.8,10.9,12.9 Meaning || Bolt head number

Pratap vlogs

211 回視聴 - 1 年前

2:05

Bolt strength /Bolt grades

Mech exp Vivek

2,464 回視聴 - 2 年前

0:11

Grade 8.8 10.9 12.9 DIN6915 heavy structure Hex Nuts #hexnut #fasteners #hardware #bolt

Jane Yue

54 回視聴 - 1 年前

2:08

Pre Load in a Fastener explained in the simplest way possible - Pre-Load = Clamping Force

WEDGE WASHER

129,005 回視聴 - 1 年前

結果 : what does 12.9 mean on a bolt