Description :
Tenders for Supply Of Hardwares - St. Spring Washer 6 Mm E. T. , St. Spring Washer 10mm E. T. , St. Spring Washer 12mm E. T. , St. Spring Washer 16 Mm E. T. , St. Spring Washer 20 Mm E. T. , St. Spring Washer 24 Mm E. T. , St. Spring Washer 8 Mm E. T. Stl. Spring Washer Size-m 6. Finishe. T. Of 15 Micron Coating Of Tin (e. T. ) Grade Sn 15c Of :1359 And As Per Our Std. Tr 10017p. Dim. Tol. & Gen . Requmts. To Is-306394 (table-1a) Type-b. Matl. Spring Steel Gr. 3 To Gr. 6 As Specified In Is-4072-75. Size-i/d 6. 1 Mmo/d 11. 8 Mm. Thick. 1. 6 Mm. And Width 2. 6mm Hardness In The Range Of 430-530hv. Spring Washer Is Required To Be Head Treated Before And After Plating For Stress Relief And Hydrogen Embrittlement Relief As Per Is:1573. , St. Spring Washer Size-m 10 Finish- Electro Tinned Plated Of 15 Micron, Coating Of Tin (e. T. ) Grade Sn 15c Of Is:1359 And As Per Our Std. Tr 10017p. Dim. Tol. & Gen. Requmts. To Is-3063: 1994,type-b (table-1-a). Material Spring Steel Gr. 3 To Gr. 6 As Specified In Is:4072. Size-i/d- 10. 2 Mm, O/d- 18. 1 Mm. ,width- 3. 5 Mm. And Thick. -2. 2 Mm. Hardness Range Of 430-530hv. Spring Washer Is Required To Be Head Treated Before And After Plating For Stress Relief And Hydrogen Embrittlement Relief As Per Is: 1573, St. Spring Washer Size-m 12 Finish- Electro Tinned Plated Of 15 Micron, Coating Of Tin (e. T. ) Grade Sn 15c Of Is:1359 And As Per Our Std. Tr 10017p. Dim. Tol. & Gen. Requmts. To Is-3063:1994,type-b (table-1-a). Material Spring Steel Gr. 3 To Gr. 6 As Specified In Is:4072. Size-i/d- 12. 2 Mm. , O/d- 21. 1 Mm. , Width- 4. 0 Mm. And Thick. -2. 5 Mm. Hardness Range Of 430-530hv. Spring Washer Is Required To Be Head Treated Before And After Plating For Stress Relief And Hydrogen Embrittlement Relief As Per Is: 1573. , ) /bid Number: Gem/2025/b/6958493 * /dated: 05-12-2025 & & / Bid Document1 / 13
