NAKAUMI INDUSTRIES

We proudly manufucture all threaded rod.
We help your dream come true!

 

Based on our know-how accumulated through more than 50 years of experience in thread rolling,

we manufacture all threaded rods as requested with stable quality.

If you need a special size or processing, please contact us.

We will work with you to create the optimum all threaded rods through repeated hearings and proposals.

Type & Size

Thin, thick and even looooong, as you wish.

全ねじ(長ねじ、寸切ボルト)

All threaded rods

Diameter
  • M3~
  • W1/4″~
  • UNC1/4″~
Length
  • 10mm~
両ねじ、片ねじ

Double-threaded, single-threaded

Diameter
  • 4mm~
Length
  • 10mm~
ケミカル用寸切ボルト

chemical bolt

Diameter
  • M8~
Length
  • 60mm~
両平先(アロイ)寸切ボルト

Double flat tip (alloy) bolt

Diameter
  • M6~
Length
  • 20mm~

Materials

We offer the most suitable material!

Iron SS400
Carbon steel S45C, S45C(N) , S45C(H), S35C
Stainless steel SUS304, SUS316, SUS316L, SUS310S, SUS304N2, SUS329J4L, SUS403
Special steel SCM435H, SCM440H, SNB7
Others Titanium(TB340), Brass(C2700)

Please contact us for other materials not listed above.

ねじ加工中のイメージ

Special Threaded Rods and Processing

Our goal is always to exceed the customer's requirements.
Please contact us for any cutting, drilling, tapping, etc.

  • C面取り

    Chamfer

    M5~M64

  • 丸先

    Round end

    M5~M42

  • 二面割

    2-sided cutting

    M5~M42

  • 中間幅取

    D cut

    M5~M42

  • 四面割・六・八面割

    4/6/8-sided cutting

    M5~M42

  • すり割

    Slit

    M5~M56

  • 棒先

    Long Dog Point

    M5~M42

  • 特殊面取り

    Special chamfer

    M5~M42

  • 溝入れ

    Grooving

    Φ6~Φ42

  • ローレット(アヤメ)

    Knurling

    Φ6~Φ42

  • 穴付き端面

    End face hole

    min Φ2.0
    max Φ25.0

  • タップ穴付き端面

    End face tap

    M10~M24
    depth Φd×3

  • 穴付き横穴

    Side hole

    min Φ2.0
    max Φ25.0

  • R曲げ

    R-bending

    ask for size

  • L曲げ

    L-bending

    ask for size

  • U曲げ

    U-bending

    ask for size

  • プレス加工

    Press work

    ask for size

Processing Examples

NAKAUMI-Tread Rods, Machines and People

Excellent equipments and the skilled craftsmen, they meet at Nakaumi.

Becomimg the world's all threaded rods manufacturer!

Nakaumi Vietnam is responsible for large-lot manufacturing and overseas exports.
It is an important base for Nakumi's global expansion.

As a Hub for Overseas Trade

Nakaumi-Vietnam enables overseas trade without complicated trade practices and intermediaries.

Nakaumi-japan

Provides one-stop trade services.

  • manufacturing of a wide variety of products in small quantities.
  • Specializes in high value-added manufacturing.

Nakaumi-Vietnam

An export hub for the entire world

  • Supports large-lot production.
  • Stable supply is possible according to the material situation.
ベトナムだけでなく、アジア諸国のニーズに応える

Meeting the needs of not only Vietnam
but also other Asian countries

In Asian countries where houses, roads, and various facilities are being built, the need for all threaded rods for construction is increasing.

NAKAUMI VIETNAM hopes to contribute to the development of Asian countries by producing, managing, and shipping safe, high-quality all threaded rods locally.

We would also like to make unique contribution to local education and environmental issues.

NAKAUMI-ism in Vietnam

オフィスは小さいけど志は大きく。大きな事務所への移転を計画中。

Office is small but we have a big vision. We are soon moving to a bigger office.

日本工場にも負けない設備が揃ったベトナム工場。

The well equipped factory in Vietnam

SEIRI, SEITON, SEISOU. MAMORUKOTO WO KIMETE、KIMETAKOTO WO MAMORU.

SEIRI, SEITON, SEISOU mean Organizing, Tidying and Cleaning.
Decide what you're going to do and stick to what you've decided to do.

フラットな関係で全ねじについて議論を交わす。みんなが同じ立場、良い意見はどんどん採用。

Good comunication and good relationship is the key for the good products.

Company Profile

Company Name Nakaumi Industries Co.,Ltd.
Representative Chief Executive Officer (CEO) Yoshifumi Taniguchi
Capital Stock 34,500,000 JPY
Headquarters Location

1-5-49 Sakaigawa Nishiku Osaka city, JAPAN zip:550-0024(Access Map
Phone: 06-6581-3014
FAX: 06-6581-3173

Factory Location

Kishiwada Factory 1
20-31 Rinkaicho Kishiwada city zip: 596-0013(Access Map
Phone: 072-422-3606

Kishiwada Factory 2
11-8 Mokuzaicho Kishiwada city zip: 596-0011(Access Map
Phone: 072-430-4646

Number of Employees 62(as of December 2019)
products All threaded rod, long bolt, Chemical bolt, Double threaded, Single threaded, Other threaded products, Metalworking products in general