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  3. Hexagon Head Cap Screws
  4. 14.9 Super strength hexagon socket head bolt (half thread) (Nakajima Koki Co., Ltd.)
14.9 Super strength hexagon socket head bolt (half thread)-14.9 Super strength hexagon socket head bolt M6 (half thread)
14.9 Super strength hexagon socket head bolt (half thread)-Nakajima Koki Co., Ltd.

14.9 Super strength hexagon socket head bolt (half thread)
Nakajima Koki Co., Ltd.

🚀 Aerospace Industry Use

About This Product

Developed jointly with Kyokuto Seisakusho Co., Ltd., a leading manufacturer that boasts high technological capabilities. A new hexagon socket head bolt with a strength of 14.9 is now available. Adopting high-strength bolt steel with excellent delayed fracture resistance, it boasts a tensile strength of 1,400N/mm2 while achieving an elongation of over 9%. Improved fatigue resistance by using MJ screws for aerospace. "Super strength" solves maintenance problems.

■Features

・Improvement of danger due to delayed destruction. ・Longer life due to improved fatigue resistance. - Compact design due to size reduction. ・Prevention of loosening by improving fastening force.

■What is MJ screw?

The MJ standard, which exists as an aerospace standard, has a shallower threaded root and a larger root radius than normal standards, which improves fatigue resistance by alleviating the notch effect. .

■Specifications

・Material: KNDS4 (High-strength bolt steel manufactured by Kobe Steel, Ltd.) ・Hardness: HRC44~50 ・Tensile strength: 1,400N/mm2 ・Strength class: 14.9 ・Elongation: 9%min (equivalent to strength class 10.9) ・Dimensions standard: JIS B1176 *Excluding neck back R ・Thread type: ISO 5855-1 MJ screw (for aerospace) ・Thread grade: 4g6g based on ISO 5855-1

  • Product

    14.9 Super strength hexagon socket head bolt (half thread)

  • Usage Scenarios

    Aerospace Industry Use

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4 Models of 14.9 Super strength hexagon socket head bolt (half thread)

Click on the part number for more information about each product

Image Part Number Price (excluding tax) Stock range 90 Stock range 80 Stock range 75 Stock range 70 Stock range 65 Stock range 60 Stock range 55 Stock range 120 Stock range 110 Stock range 100 Pitch P T Min S Min S Max R Min K Min K Max E Min Ds Min Ds Max Dk Min Dk Max Da Max Stock range 50 Stock range 45 Stock range 40 Stock range 35
14.9 Super strength hexagon socket head bolt (half thread)-Part Number-14.9 Super strength hexagon socket head bolt M6 (half thread)

14.9 Super strength hexagon socket head bolt M6 (half thread)

Available upon quote - - - - - - - - - -

1

3

5.02

5.095

0.3

5.7

6

5.723

5.82

6

9.78

10.22

6.8

〇

〇

〇

〇

14.9 Super strength hexagon socket head bolt (half thread)-Part Number-14.9 Super strength hexagon socket head bolt M8 (half thread)

14.9 Super strength hexagon socket head bolt M8 (half thread)

Available upon quote - - -

〇

〇

〇

〇

- - -

1.25

4

6.02

6.095

0.4

7.64

8

6.863

7.78

8

12.73

13.27

9.2

〇

〇

〇

-
14.9 Super strength hexagon socket head bolt (half thread)-Part Number-14.9 Super strength hexagon socket head bolt M10 (half thread)

14.9 Super strength hexagon socket head bolt M10 (half thread)

Available upon quote

〇

〇

〇

〇

〇

〇

〇

- -

〇

1.5

5

8.025

8.115

0.4

9.64

10

9.149

9.78

10

15.73

16.27

11.2

〇

〇

- -
14.9 Super strength hexagon socket head bolt (half thread)-Part Number-14.9 Super strength hexagon socket head bolt M12 (half thread)

14.9 Super strength hexagon socket head bolt M12 (half thread)

Available upon quote

〇

〇

〇

〇

〇

〇

〇

〇

〇

〇

1.75

6

10.025

10.115

0.6

11.57

12

11.429

11.73

12

17.73

18.27

14.2

- - - -

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Nakajima Koki Co., Ltd.

  • Japan

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Hexagon Head Cap Screws　Nakajima Koki Co., Ltd.
Nakajima Koki Co., Ltd.

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