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GSTIN 27ADJPJ5621J1ZF · Reference copy · 11 November 2026
STEEL IMPEX INDIA · ENGINEERING REFERENCE
Bolt Tightening Sequence Chart | 4 to 88 Flange Bolts
Select the number of flange bolts, then follow the numbered cross-pattern guide. Physical bolt positions run clockwise from the top; the step number is the order in which those positions are visited.
Open reference Common questionsBolts are numbered clockwise from the top. The sequence gives the order, not the torque.
Step 1 of 8 · Bolt 1
| Step | Bolt position | Clockwise degrees from top |
|---|---|---|
| 1 | 1 | 0 |
| 2 | 5 | 180 |
| 3 | 3 | 90 |
| 4 | 7 | 270 |
| 5 | 2 | 45 |
| 6 | 6 | 225 |
| 7 | 4 | 135 |
| 8 | 8 | 315 |
Use the approved joint assembly procedure, torque, lubrication and pass percentages. This reference is not a joint-specific torque or acceptance decision.
Prepare a bulk enquiry for delivery within India
Include the material grade, standard and edition, complete size, quantity, finish, certificates, required date and delivery PIN code. For valves include body/trim, seats, service fluid, temperature, end connection and actuator. For fasteners include thread, pitch, length, property class and coating.
For a village, small town or large city, give the district, nearest transport depot and unloading arrangements. Stock, suitability, freight and delivery are confirmed for each order.
Prepare your material enquiry Delivery checklistCommon questions
What is the 8-bolt flange tightening order?
For the reference pattern shown here, number positions clockwise from the top and follow 1, 5, 3, 7, 2, 6, 4, 8. Position numbers and tightening-step numbers are different.
Does a cross pattern specify the torque and tightening passes?
No. Follow the joint manufacturer’s approved target torque, lubrication, pass percentages and acceptance procedure. This chart supplies the order only.
What should a bulk buyer send for a quotation?
Send the exact standard and edition, grade or class, complete dimensions, quantity, finish, certification and delivery town, district and PIN code. Include the nearest transport depot for village or small-town delivery. Availability, price, freight and delivery are confirmed against your enquiry.
Reference sources and corrections · Toolkit terms. Source scope, units and missing values remain part of every reference. A catalogue listing is not a stock guarantee, approval for substitution or brand affiliation.