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

14.9 Super strength hexagon socket head bolt (full 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 (full thread)

  • Usage Scenarios

    Aerospace Industry Use

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

Click on the part number for more information about each product

Image Part Number Price (excluding tax) Stock range 50 Stock range 45 Stock range 40 Stock range 35 Stock range 30 Stock range 25 Stock range 20 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 16 Stock range 15 Stock range 12 Stock range 10
14.9 Super strength hexagon socket head bolt (full thread)-Part Number-14.9 Super strength hexagon socket head bolt M6 (full thread)

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

Available upon quote - - - -

〇

〇

〇

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

14.9 Super strength hexagon socket head bolt M8 (full 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 (full thread)-Part Number-14.9 Super strength hexagon socket head bolt M10 (full thread)

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

Available upon quote - -

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

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

Available upon quote

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

- - - -

Click on the part number for more information about each product

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Nakajima Koki Co., Ltd.

  • Japan

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

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