Sigma
IWATA BOLT Informational Magazine.
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Jun 1972 Issue
[Sigma 14]
- 1.Think and chase only screws ... President Yukichi Iwata
- 2.IBK Saitama Second Factory
- 〈Things about screws 3〉
- 3.History of wood screws
- 〈Overseas spot news〉
- 4.New American Metric Screw Plan (3)
- 〈The 3rd Fastener Exhibition〉
- 5.Labor saving product by Iwata bolt
- 〈Fastening Idea〉
- 6.What is a balanced design?
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May 1972 Issue
[Sigma 13]
- 1.Live for the purpose of your life - Welcoming new employees -... Yukichi Iwata, President
- 2.Mechanical properties of bolts and nuts
- 〈Things about Screws 2〉
- 3.Screws- The names of screws
- 〈Overseas spot news 〉
- 4.New American Metric Screw Plan (2)
- 〈Fastening Idea〉
- 5.New type of serrated screw is effective for joining cylinders
- 6.Easy to spread the gap of materials by using bolts
- 7.Grade 8 bolts that resist bending fatigue
- 8.Torque nut with low tightening torque
- 〈 Iwata Bolt News〉
- 9.Gunma branch opened
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Mar 1972 Issue
[Sigma 12]
- 1.After traveling in the Middle East ... Yukichi Iwata, President
- 2.This is how European managers look at Japanese screw companies
- 〈Things about Screw 1〉
- 3.The origin of the screw
- 〈Overseas spot news〉
- 4.America's metric screw concept
- 〈Fastening Idea〉
- 5.Hammer wrench that can be operated with one hand
- 6.Attach screws to cover to prevent loss
- 7.Use socket screw to adjust parts
- 8.Adjust the embedding of the nut using a hard plate
- 〈 Iwata Bolt News〉
- 9.☆Saitama Second Factory ☆ New employee welcome ceremony
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Sep 1971 Issue
[Sigma 11]
- 1.As a trading company specializing in screws in the tempestuous period ... President, Yukichi Iwata
- 〈Factory information〉
- 2.Effectiveness of value analysis : Remarkable cold extrusion
- 〈VA〉
- 3.Specific examples of proposals that help reducing total cost
- 〈 Iwata Bolt New Product〉
- 4.Anti-Loosening Bolt with disc spring
- 〈Overseas spot news〉
- 5.This way, the screws will never come off
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Jun 1971 Issue
[Sigma 10]
- 1.The 22nd anniversary of Iwata Bolt, and the publication of the 3rd edition of the “Common sense of screws” … Yukichi Iwata, President
- 〈Factory information〉
- 2.Promoting a system to ensure quality assurance -JIS certified factory-Summary of Saitama factory-
- 〈Iwata Bolt News〉
- 3.Great feedback at Harumi International Trade Fair
- 4.QC circle (Club) activities with good results
- 〈Iwata Bolt New Product Corner〉
- 5. Evolutional new product that replaces welding nuts-Punching nuts-