JCP ETA Option 1 Throughbolts, A4 Stainless Steel
M8 - M20 (65 - 235mm)
A4-316 stainless steel
We supply JCP ETA Option 1 throughbolts in A4-316 stainless steel from M8 to M20, lengths 65mm to 235mm. This is the top of the throughbolt range: assessed for cracked and non-cracked concrete with fire resistance loading and seismic C1 and C2 in scope, in a marine-grade stainless steel, with standard and shallow embedment listings on most sizes.
Also known as: a4 eta throughbolt, marine throughbolt, stainless option 1 throughbolt.
ETA Option 1 A4 stainless throughbolt dimensions
| Thread size | Order code | Drill diameter (d0) | Length (L) | Thread length | Min hole depth — standard | Max fixture — standard | Min hole depth — shallow | Max fixture — shallow | Installation torque (Nm) |
|---|---|---|---|---|---|---|---|---|---|
| M81 | ETA08065SS | 8 mm | 65 mm | 22 mm | - | - | 50 mm | 11 mm | 20 |
| M8 | ETA08080SS | 8 mm | 80 mm | 37 mm | 60 mm | 15 mm | 50 mm | 26 mm | 20 |
| M8 | ETA08095SS | 8 mm | 95 mm | 52 mm | 60 mm | 30 mm | 50 mm | 41 mm | 20 |
| M8 | ETA08115SS | 8 mm | 115 mm | 72 mm | 60 mm | 50 mm | 50 mm | 61 mm | 20 |
| M101 | ETA10080SS | 10 mm | 80 mm | 32 mm | - | - | 55 mm | 20 mm | 35 |
| M10 | ETA10100SS | 10 mm | 100 mm | 52 mm | 75 mm | 20 mm | 55 mm | 40 mm | 35 |
| M10 | ETA10130SS | 10 mm | 130 mm | 82 mm | 75 mm | 50 mm | 55 mm | 70 mm | 35 |
| M10 | ETA10180SS | 10 mm | 180 mm | 132 mm | 75 mm | 100 mm | 55 mm | 120 mm | 35 |
| M121 | ETA12095SS | 12 mm | 95 mm | 36 mm | - | - | 70 mm | 20 mm | 50 |
| M12 | ETA12110SS | 12 mm | 110 mm | 51 mm | 90 mm | 15 mm | 70 mm | 35 mm | 50 |
| M12 | ETA12125SS | 12 mm | 125 mm | 66 mm | 90 mm | 30 mm | 70 mm | 50 mm | 50 |
| M12 | ETA12160SS | 12 mm | 160 mm | 101 mm | 90 mm | 65 mm | 70 mm | 85 mm | 50 |
| M12 | ETA12200SS | 12 mm | 200 mm | 135 mm | 90 mm | 105 mm | 70 mm | 125 mm | 50 |
| M161 | ETA16115SS | 16 mm | 115 mm | 36 mm | - | - | 90 mm | 15 mm | 110 |
| M16 | ETA16135SS | 16 mm | 135 mm | 56 mm | 110 mm | 15 mm | 90 mm | 35 mm | 110 |
| M16 | ETA16170SS | 16 mm | 170 mm | 91 mm | 110 mm | 50 mm | 90 mm | 70 mm | 110 |
| M16 | ETA16220SS | 16 mm | 220 mm | 80 mm | 110 mm | 100 mm | - | - | 110 |
| M20 | ETA20165SS | 20 mm | 165 mm | 50 mm | 125 mm | 30 mm | - | - | 200 |
| M20 | ETA20195SS | 20 mm | 195 mm | 70 mm | 125 mm | 60 mm | - | - | 200 |
| M20 | ETA20235SS | 20 mm | 235 mm | 80 mm | 125 mm | 100 mm | - | - | 200 |
- Shallow-embedment size — reduced loading (JCP catalogue note).
Need ETA Option 1 A4 stainless throughbolt in a non-standard size or material?
Send us your drawing — specials quoted within 24 hours.