Fastener Guides and Charts

Choosing a fastener means getting the grade, material and size right, then fitting it correctly. These guides from JMIKS Fasteners, a fastener wholesaler and supplier in Ahmedabad, answer common questions from purchase managers, contractors and fabricators. Each one follows the ISO, DIN and IS standards in plain language, with tables you can use in the office or on site.

Guides and Charts

• Bolt grade chart: what 4.6, 8.8, 10.9 and 12.9 mean, with tensile and yield strength and the matching nut classes.
• SS 304 vs SS 316 vs SS 202 fasteners: how the stainless steel grades compare and which one to use indoors, outdoors and near the sea.
• Hex bolt weight chart: approximate weight per 100 pieces of M6 to M24 hex bolts, plus hex nut weights.
• Bolt torque chart: typical tightening torque and clamp load for 8.8, 10.9 and 12.9 bolts from M4 to M36.
• Spanner size chart: spanner and Allen key sizes for metric bolts, nuts and socket screws, with the ISO and DIN differences.

Buying Guides

• High tensile bolts and fasteners: grades 8.8, 10.9 and 12.9 in self colour, zinc plated and hot dip galvanized finishes.
• SS 304 fasteners: the all-round stainless steel for general indoor and outdoor work.
• SS 316 fasteners: for coastal, marine and chemical environments.
• Foundation bolts: J bolts and L bolts for casting into concrete.

Fasteners by Industry

• Solar structure fasteners: SS 304 and hot dip galvanized bolts, nuts, U bolts and anchors for module mounting structures.
• Construction and PEB fasteners: high tensile frame bolts, foundation bolts, anchors and threaded rods for steel buildings.
• Pipeline and flange fasteners: ASTM A193 B7, B8 and B8M stud bolts, nuts and U bolts.
• Electrical panel fasteners: SS machine screws, weld and nylock nuts, star and spring washers.

Catalogue and Quotations

To see the full product range and how quotations work, open the fastener price list and catalogue page.

Ask About Your Fastener

Not sure which fastener you need? Send your requirement, or a photo or drawing of the part, on WhatsApp (+91 90333 11425) or through the enquiry form, or download the catalogue (PDF). We reply within one working day.