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- PEM® Self-Clinching Fasteners
- ATLAS® Brand Blind Threaded Rivets
- Panel and Access Hardware
- Large Knob, Spring-Loaded
- Low Profile Knob, Spring-loaded
- Screw Head, Spring-loaded
- Screw Head, Spring-loaded, compact
- Screw Head, no Spring
- Tool only, Spring-loaded
- Tool only, Flush Mounted, no Spring
- Tool only, Spinning Clinch Bolt
- For Installing into Stainless
- Locating Pin, Spring-loaded
- Captive Screws, Broaching
- Heat Sink Mounting System
- ReelFast® Surface Mount Spring-Loaded Panel Fastener
- Standoffs and Spacers
- Concealed-Head Standoffs
- Keyhole® Standoffs - Type SKC
- Blind, Threaded Standoffs
- Standoffs, Thru-Hole, Threaded and Unthreaded
- Standoffs for Installing Into Stainless (all)
- Thin Sheet, Thru-Hole Standoffs
- Snap-Top® Standoffs
- Grounding Standoffs
- Close to Edge Standoffs
- Self-clinching microPEM® Standoffs
- Inserts for
Plastics - Installation Tools and Repair Kits
- Heli-Coil™ Wire Inserts
- Rivets
- Precision Ball Bearing Slides
- Fasteners for Mounting into Printed Circuit Boards
- Captive Screws, Broaching - Type PFK
- Captive Screws, Surface Mount
- Captive Screws, other
- Nuts, Broaching
- Nuts and Spacers/Standoffs, Surface Mount
- Standoffs, Broaching
- Standoffs, SNAPTOP® - Type KSSB
- Standoffs, Flare Mount - Type KFB3
- Studs, Broaching - Type KFH
- Right Angle Fastener - Type SMTRA
- ReelFast® microPEM® Surface Mount Nuts / Standoffs
- ReelFast® Surface Mount Spring-Loaded Panel Fastener - Type SMTPFLSM™
- microPEM® TackSert® Inserts
- Weld Nuts
- nuts, bolts & screws
- glides, leveling devices, isolaters & machinery mounts
- assembly hardware standoffs, spacers, & finishing supplies
- knobs, handles & hinges
- bearing seals, gasketing & plastic bearings
- quick access fasteners, latches & spring devices
- lock bolts & rivets
- standard hardware
These standoffs, which use the proven self-clinching design, install with a squeeze in properly sized round holes - and become permanently mounted in the thin sheet.
Types BSO4 standoffs are for installation into stainless steel sheets as thin as 0.040".
If you require a standoff which we do not offer in this bulletin, please contact us. We will be happy to work with you to satisfy your special need.
Types BSO4 standoffs are for installation into stainless steel sheets as thin as 0.040".
If you require a standoff which we do not offer in this bulletin, please contact us. We will be happy to work with you to satisfy your special need.
Item # |
Thread Size |
Hole Size in Sheet + .003 - .000 |
C + 0.000 - 0.005 |
H Nom. |
L - Length +.002 –.005 |
Fastener Material |
Standard Finish |
Inventory |
|---|---|---|---|---|---|---|---|---|
| BSO4-440-10 | Thread Size N/A 0.112-40 (#4-40) | Hole Size in Sheet + .003 - .000 N/A 0.166 in | C + 0.000 - 0.005 N/A 0.165 in | H Nom. N/A 0.187 in | L - Length +.002 –.005 N/A 0.312 in | Fastener Material N/A 400 Series Stainless Steel | Standard Finish N/A Passivated and/or tested per ASTM A380 | Inventory N/A {0} |
| BSO4-440-12 | Thread Size N/A 0.112-40 (#4-40) | Hole Size in Sheet + .003 - .000 N/A 0.166 in | C + 0.000 - 0.005 N/A 0.165 in | H Nom. N/A 0.187 in | L - Length +.002 –.005 N/A 0.375 in | Fastener Material N/A 400 Series Stainless Steel | Standard Finish N/A Passivated and/or tested per ASTM A380 | Inventory N/A {0} |
| BSO4-440-14 | Thread Size N/A 0.112-40 (#4-40) | Hole Size in Sheet + .003 - .000 N/A 0.166 in | C + 0.000 - 0.005 N/A 0.165 in | H Nom. N/A 0.187 in | L - Length +.002 –.005 N/A 0.437 in | Fastener Material N/A 400 Series Stainless Steel | Standard Finish N/A Passivated and/or tested per ASTM A380 | Inventory N/A {0} |
| BSO4-440-16 | Thread Size N/A 0.112-40 (#4-40) | Hole Size in Sheet + .003 - .000 N/A 0.166 in | C + 0.000 - 0.005 N/A 0.165 in | H Nom. N/A 0.187 in | L - Length +.002 –.005 N/A 0.5 in | Fastener Material N/A 400 Series Stainless Steel | Standard Finish N/A Passivated and/or tested per ASTM A380 | Inventory N/A {0} |
| BSO4-440-18 | Thread Size N/A 0.112-40 (#4-40) | Hole Size in Sheet + .003 - .000 N/A 0.166 in | C + 0.000 - 0.005 N/A 0.165 in | H Nom. N/A 0.187 in | L - Length +.002 –.005 N/A 0.562 in | Fastener Material N/A 400 Series Stainless Steel | Standard Finish N/A Passivated and/or tested per ASTM A380 | Inventory N/A {0} |
| BSO4-440-20 | Thread Size N/A 0.112-40 (#4-40) | Hole Size in Sheet + .003 - .000 N/A 0.166 in | C + 0.000 - 0.005 N/A 0.165 in | H Nom. N/A 0.187 in | L - Length +.002 –.005 N/A 0.625 in | Fastener Material N/A 400 Series Stainless Steel | Standard Finish N/A Passivated and/or tested per ASTM A380 | Inventory N/A {0} |
| BSO4-440-22 | Thread Size N/A 0.112-40 (#4-40) | Hole Size in Sheet + .003 - .000 N/A 0.166 in | C + 0.000 - 0.005 N/A 0.165 in | H Nom. N/A 0.187 in | L - Length +.002 –.005 N/A 0.687 in | Fastener Material N/A 400 Series Stainless Steel | Standard Finish N/A Passivated and/or tested per ASTM A380 | Inventory N/A {0} |
| BSO4-440-24 | Thread Size N/A 0.112-40 (#4-40) | Hole Size in Sheet + .003 - .000 N/A 0.166 in | C + 0.000 - 0.005 N/A 0.165 in | H Nom. N/A 0.187 in | L - Length +.002 –.005 N/A 0.75 in | Fastener Material N/A 400 Series Stainless Steel | Standard Finish N/A Passivated and/or tested per ASTM A380 | Inventory N/A {0} |
| BSO4-440-26 | Thread Size N/A 0.112-40 (#4-40) | Hole Size in Sheet + .003 - .000 N/A 0.166 in | C + 0.000 - 0.005 N/A 0.165 in | H Nom. N/A 0.187 in | L - Length +.002 –.005 N/A 0.812 in | Fastener Material N/A 400 Series Stainless Steel | Standard Finish N/A Passivated and/or tested per ASTM A380 | Inventory N/A {0} |
| BSO4-440-28 | Thread Size N/A 0.112-40 (#4-40) | Hole Size in Sheet + .003 - .000 N/A 0.166 in | C + 0.000 - 0.005 N/A 0.165 in | H Nom. N/A 0.187 in | L - Length +.002 –.005 N/A 0.875 in | Fastener Material N/A 400 Series Stainless Steel | Standard Finish N/A Passivated and/or tested per ASTM A380 | Inventory N/A {0} |
| BSO4-440-30 | Thread Size N/A 0.112-40 (#4-40) | Hole Size in Sheet + .003 - .000 N/A 0.166 in | C + 0.000 - 0.005 N/A 0.165 in | H Nom. N/A 0.187 in | L - Length +.002 –.005 N/A 0.937 in | Fastener Material N/A 400 Series Stainless Steel | Standard Finish N/A Passivated and/or tested per ASTM A380 | Inventory N/A {0} |
| BSO4-440-32 | Thread Size N/A 0.112-40 (#4-40) | Hole Size in Sheet + .003 - .000 N/A 0.166 in | C + 0.000 - 0.005 N/A 0.165 in | H Nom. N/A 0.187 in | L - Length +.002 –.005 N/A 01.00 in | Fastener Material N/A 400 Series Stainless Steel | Standard Finish N/A Passivated and/or tested per ASTM A380 | Inventory N/A {0} |
| BSO4-440-34 | Thread Size N/A 0.112-40 (#4-40) | Hole Size in Sheet + .003 - .000 N/A 0.166 in | C + 0.000 - 0.005 N/A 0.165 in | H Nom. N/A 0.187 in | L - Length +.002 –.005 N/A 1.062 in | Fastener Material N/A 400 Series Stainless Steel | Standard Finish N/A Passivated and/or tested per ASTM A380 | Inventory N/A {0} |
| BSO4-6440-10 | Thread Size N/A 0.112-40 (#4-40) | Hole Size in Sheet + .003 - .000 N/A 0.213 in | C + 0.000 - 0.005 N/A 0.212 in | H Nom. N/A 0.25 in | L - Length +.002 –.005 N/A 0.312 in | Fastener Material N/A 400 Series Stainless Steel | Standard Finish N/A Passivated and/or tested per ASTM A380 | Inventory N/A {0} |
| BSO4-6440-12 | Thread Size N/A 0.112-40 (#4-40) | Hole Size in Sheet + .003 - .000 N/A 0.213 in | C + 0.000 - 0.005 N/A 0.212 in | H Nom. N/A 0.25 in | L - Length +.002 –.005 N/A 0.375 in | Fastener Material N/A 400 Series Stainless Steel | Standard Finish N/A Passivated and/or tested per ASTM A380 | Inventory N/A {0} |
| BSO4-6440-14 | Thread Size N/A 0.112-40 (#4-40) | Hole Size in Sheet + .003 - .000 N/A 0.213 in | C + 0.000 - 0.005 N/A 0.212 in | H Nom. N/A 0.25 in | L - Length +.002 –.005 N/A 0.437 in | Fastener Material N/A 400 Series Stainless Steel | Standard Finish N/A Passivated and/or tested per ASTM A380 | Inventory N/A {0} |
| BSO4-6440-16 | Thread Size N/A 0.112-40 (#4-40) | Hole Size in Sheet + .003 - .000 N/A 0.213 in | C + 0.000 - 0.005 N/A 0.212 in | H Nom. N/A 0.25 in | L - Length +.002 –.005 N/A 0.5 in | Fastener Material N/A 400 Series Stainless Steel | Standard Finish N/A Passivated and/or tested per ASTM A380 | Inventory N/A {0} |
| BSO4-6440-18 | Thread Size N/A 0.112-40 (#4-40) | Hole Size in Sheet + .003 - .000 N/A 0.213 in | C + 0.000 - 0.005 N/A 0.212 in | H Nom. N/A 0.25 in | L - Length +.002 –.005 N/A 0.562 in | Fastener Material N/A 400 Series Stainless Steel | Standard Finish N/A Passivated and/or tested per ASTM A380 | Inventory N/A {0} |
| BSO4-6440-20 | Thread Size N/A 0.112-40 (#4-40) | Hole Size in Sheet + .003 - .000 N/A 0.213 in | C + 0.000 - 0.005 N/A 0.212 in | H Nom. N/A 0.25 in | L - Length +.002 –.005 N/A 0.625 in | Fastener Material N/A 400 Series Stainless Steel | Standard Finish N/A Passivated and/or tested per ASTM A380 | Inventory N/A {0} |
| BSO4-6440-22 | Thread Size N/A 0.112-40 (#4-40) | Hole Size in Sheet + .003 - .000 N/A 0.213 in | C + 0.000 - 0.005 N/A 0.212 in | H Nom. N/A 0.25 in | L - Length +.002 –.005 N/A 0.687 in | Fastener Material N/A 400 Series Stainless Steel | Standard Finish N/A Passivated and/or tested per ASTM A380 | Inventory N/A {0} |
| BSO4-6440-24 | Thread Size N/A 0.112-40 (#4-40) | Hole Size in Sheet + .003 - .000 N/A 0.213 in | C + 0.000 - 0.005 N/A 0.212 in | H Nom. N/A 0.25 in | L - Length +.002 –.005 N/A 0.75 in | Fastener Material N/A 400 Series Stainless Steel | Standard Finish N/A Passivated and/or tested per ASTM A380 | Inventory N/A {0} |
| BSO4-6440-26 | Thread Size N/A 0.112-40 (#4-40) | Hole Size in Sheet + .003 - .000 N/A 0.213 in | C + 0.000 - 0.005 N/A 0.212 in | H Nom. N/A 0.25 in | L - Length +.002 –.005 N/A 0.812 in | Fastener Material N/A 400 Series Stainless Steel | Standard Finish N/A Passivated and/or tested per ASTM A380 | Inventory N/A {0} |
| BSO4-6440-28 | Thread Size N/A 0.112-40 (#4-40) | Hole Size in Sheet + .003 - .000 N/A 0.213 in | C + 0.000 - 0.005 N/A 0.212 in | H Nom. N/A 0.25 in | L - Length +.002 –.005 N/A 0.875 in | Fastener Material N/A 400 Series Stainless Steel | Standard Finish N/A Passivated and/or tested per ASTM A380 | Inventory N/A {0} |
| BSO4-6440-30 | Thread Size N/A 0.112-40 (#4-40) | Hole Size in Sheet + .003 - .000 N/A 0.213 in | C + 0.000 - 0.005 N/A 0.212 in | H Nom. N/A 0.25 in | L - Length +.002 –.005 N/A 0.937 in | Fastener Material N/A 400 Series Stainless Steel | Standard Finish N/A Passivated and/or tested per ASTM A380 | Inventory N/A {0} |
| BSO4-6440-32 | Thread Size N/A 0.112-40 (#4-40) | Hole Size in Sheet + .003 - .000 N/A 0.213 in | C + 0.000 - 0.005 N/A 0.212 in | H Nom. N/A 0.25 in | L - Length +.002 –.005 N/A 01.00 in | Fastener Material N/A 400 Series Stainless Steel | Standard Finish N/A Passivated and/or tested per ASTM A380 | Inventory N/A {0} |
