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Quarter-Turn Panel Fasteners

4000 Series Wing - Steel - Cadmium Plated
$10.88 - $12.08 Price Details
Alternate Part Number 1: 4002-4W
Alternate Part Number 2: 1142007-4
Alternate Part Number 4: NSN5325-00-489-0931
Stud 4002 Steel Slot
$4.67 - $5.19 Price Details
Alternate Part Number 1: 4002-5
Alternate Part Number 2: 1142000-5
Alternate Part Number 4: NSN5325-00-290-8235
SK4002-5S THUMBNAIL
Collared Slot Stud - 303 Stainless - 1050 lbs
$5.41 - $6.01 Price Details
Alternate Part Number 1: 4002-5S
Alternate Part Number 2: 1142002-5
Alternate Part Number 3: S2319C75
Alternate Part Number 4: NSN5325-00-584-1094

SK4002-5S45 THUMBNAIL
Collared Slot Stud - Inconel Spring - Stainless - 1050 Lbs
$9.19 - $10.21 Price Details
Alternate Part Number 1: 40S45-5
Alternate Part Number 2: 1142004-5
Alternate Part Number 4: NSN5325-00-124-9302
SK4002-5SFW THUMBNAIL
4000 Series Folding Wing Patent Pending
$12.51 - $13.90 Price Details
Alternate Part Number 1: 40S47-5
SK4002-5SR THUMBNAIL
4000 Series Folding Ring Handle
$12.11 - $13.46 Price Details

4000 Series Wing - Stainless
$11.31 - $12.57 Price Details
Alternate Part Number 1: 4002-5SW
Alternate Part Number 2: 1142016-5
Alternate Part Number 4: NSN5325-00-839-2517
4000 Series Wing - Steel - Cadmium Plated
$10.88 - $12.08 Price Details
Alternate Part Number 1: 4002-5W
Alternate Part Number 2: 1142007-5
Alternate Part Number 4: NSN5325-00-291-0217
Stud 4002 Steel Slot
$5.21 - $5.79 Price Details
Alternate Part Number 1: 4002-6
Alternate Part Number 2: 1142000-6
Alternate Part Number 4: NSN5325-00-290-8232

SK4002-6S THUMBNAIL
Collared Slot Stud - 303 Stainless - 1050 lbs
$5.52 - $6.13 Price Details
Alternate Part Number 1: 4002-6S
Alternate Part Number 2: 1142002-6
Alternate Part Number 3: S2319C76
Alternate Part Number 4: NSN5325-00-685-0275
SK4002-6S45 THUMBNAIL
Collared Slot Stud - Inconel Spring - Stainless - 1050 Lbs
$9.39 - $10.43 Price Details
Alternate Part Number 1: 40S45-6
Alternate Part Number 2: 1142004-6
Alternate Part Number 4: NSN5325-00-826-5436
Slotted - High Temp - Stainless
$9.39 - $10.43 Price Details
Alternate Part Number 1: 40S45-6
Alternate Part Number 2: 1142004-6
Alternate Part Number 4: NSN5325-00-826-5436

SK4002-6SFW THUMBNAIL
4000 Series Folding Wing Patent Pending
$17.51 - $19.46 Price Details
Alternate Part Number 1: 40S47-6
SK4002-6SR THUMBNAIL
4000 Series Folding Ring Handle
$12.50 - $13.88 Price Details
4000 Series Wing - Stainless
$11.31 - $12.57 Price Details
Alternate Part Number 1: 4002-6SW
Alternate Part Number 2: 1142016-6
Alternate Part Number 4: NSN5325-00-584-1360

4000 Series Wing - Steel - Cadmium Plated
$10.88 - $12.08 Price Details
Alternate Part Number 1: 4002-6W
Alternate Part Number 2: 1142007-6
Alternate Part Number 4: NSN5325-00-534-0373
Stud 4002 Steel Slot
$5.21 - $5.79 Price Details
Alternate Part Number 1: 4002-7
Alternate Part Number 2: 1142000-7
Alternate Part Number 4: NSN5325-00-290-8233
SK4002-7S THUMBNAIL
Collared Slot Stud - 303 Stainless - 1050 lbs
$5.52 - $6.13 Price Details
Alternate Part Number 1: 4002-7S
Alternate Part Number 2: 1142002-7
Alternate Part Number 3: S2319C77
Alternate Part Number 4: NSN5325-00-810-8651

SK4002-7S45 THUMBNAIL
Collared Slot Stud - Inconel Spring - Stainless - 1050 Lbs
$9.39 - $10.43 Price Details
Alternate Part Number 1: 40S45-7
Alternate Part Number 2: 1142004-7
Alternate Part Number 4: NSN5325-00-498-0818
Slotted - High Temp - Stainless
$9.39 - $10.43 Price Details
Alternate Part Number 1: 40S45-7
Alternate Part Number 2: 1142004-7
Alternate Part Number 4: NSN5325-00-498-818
SK4002-7SFW THUMBNAIL
4000 Series Folding Wing Patent Pending
$17.51 - $19.46 Price Details
Alternate Part Number 1: 40S47-7

SK4002-7SR THUMBNAIL
4000 Series Folding Ring Handle
$12.50 - $13.88 Price Details
4000 Series Wing - Stainless
$11.31 - $12.57 Price Details
Alternate Part Number 1: 4002-7SW
Alternate Part Number 2: 1142016-7
Alternate Part Number 4: NSN5325-811-8751
4000 Series Wing - Steel - Cadmium Plated
$10.88 - $12.08 Price Details
Alternate Part Number 1: 4002-7W
Alternate Part Number 2: 1142007-7
Alternate Part Number 4: NSN5325-00-290-8240

Stud 4002 Steel Slot
$5.32 - $5.91 Price Details
Alternate Part Number 1: 4002-8
Alternate Part Number 2: 1142000-8
Alternate Part Number 4: NSN5325-00-884-9642
SK4002-8S THUMBNAIL
Collared Slot Stud - 303 Stainless - 1050 lbs
$5.88 - $6.54 Price Details
Alternate Part Number 1: 4002-8S
Alternate Part Number 2: 1142002-8
Alternate Part Number 3: S2319C78
Alternate Part Number 4: NSN5325-00-803-5773
SK4002-8S45 THUMBNAIL
Collared Slot Stud - Inconel Spring - Stainless - 1050 Lbs
$10.00 - $11.11 Price Details
Alternate Part Number 1: 40S45-8
Alternate Part Number 2: 1142004-8
Alternate Part Number 4: NSN5325-00-826-1927

Slotted - High Temp - Stainless
$10.00 - $11.11 Price Details
Alternate Part Number 1: 40S45-8
Alternate Part Number 2: 1142004-8
Alternate Part Number 4: NSN5325-00-826-1927
SK4002-8SFW THUMBNAIL
4000 Series Folding Wing Patent Pending
$21.02 - $23.35 Price Details
Alternate Part Number 1: 40S47-8
SK4002-8SR THUMBNAIL
4000 Series Folding Ring Handle
$13.11 - $14.57 Price Details

4000 Series Wing - Stainless
$11.31 - $12.57 Price Details
Alternate Part Number 1: 4002-8SW
Alternate Part Number 2: 1142016-8
Alternate Part Number 4: NSN5325-00-825-2201
4000 Series Wing - Steel - Cadmium Plated
$10.88 - $12.08 Price Details
Alternate Part Number 1: 4002-8W
Alternate Part Number 2: 1142007-8
Alternate Part Number 4: NSN5325-00-290-3821
Stud 4002 Steel Slot
$5.32 - $5.91 Price Details
Alternate Part Number 1: 4002-9
Alternate Part Number 2: 1142000-9
Alternate Part Number 4: NSN5325-00-174-5789

SK4002-9S THUMBNAIL
Collared Slot Stud - 303 Stainless - 1050 lbs
$5.88 - $6.54 Price Details
Alternate Part Number 1: 4002-9S
Alternate Part Number 2: 1142002-9
Alternate Part Number 3: S2319C79
Alternate Part Number 4: NSN5325-00-057-4854
SK4002-9S45 THUMBNAIL
Collared Slot Stud - Inconel Spring - Stainless - 1050 Lbs
$10.00 - $11.11 Price Details
Alternate Part Number 1: 40S45-9
Alternate Part Number 2: 1142004-9
Alternate Part Number 4: NSN5325-00-945-8415
Slotted - High Temp - Stainless
$10.00 - $11.11 Price Details
Alternate Part Number 1: 40S45-9
Alternate Part Number 2: 1142004-9
Alternate Part Number 4: NSN5325-00-945-8415

SK4002-9SFW THUMBNAIL
4000 Series Folding Wing Patent Pending
$21.02 - $23.35 Price Details
Alternate Part Number 1: 40S47-9
SK4002-9SR THUMBNAIL
4000 Series Folding Ring Handle
$13.11 - $14.57 Price Details
4000 Series Wing - Stainless
$11.31 - $12.57 Price Details
Alternate Part Number 1: 4002-9SW
Alternate Part Number 2: 1142016-9
Alternate Part Number 4: NSN5325-00-959-0432

4000 Series Wing - Steel - Cadmium Plated
$10.88 - $12.08 Price Details
Alternate Part Number 1: 4002-9W
Alternate Part Number 2: 1142007-9
Alternate Part Number 4: NSN5325-00-290-3820
SK4002FW-SET1 THUMBNAIL
SK4002-2SFW,SK-OS,SK-R4G,SK245-4 Max Grip .340
$25.57 - $29.05 Price Details
SK4002-SWS THUMBNAIL
Stud Retainer - All 4000 Series -16 On must use
$1.93 - $2.15 Price Details
Alternate Part Number 1: 4002-SW-SS
Alternate Part Number 2: 1142721
Alternate Part Number 3: 4002-SW

SK40G1-11S THUMBNAIL
CSK Grommet .120 Grip Stainless High Shear
$6.73 - $8.53 Price Details
Alternate Part Number 1: 40G1-11S
High Shear Grommet - Steel - .065 Grip
$6.73 - $8.53 Price Details
Alternate Part Number 1: 40G1-5
SK40G1-5S THUMBNAIL
CSK Grommet .065 Grip Stainless High Shear
$6.73 - $8.53 Price Details
Alternate Part Number 1: 40G1-5S

High Shear Grommet - Steel - .092 Grip
$6.73 - $8.53 Price Details
Alternate Part Number 1: 40G1-8
SK40G1-8S THUMBNAIL
CSK Grommet .065 Grip Stainless High Shear
$6.73 - $8.53 Price Details
Alternate Part Number 1: 40G1-8S
SK40R17-1 THUMBNAIL
Light Weight Receptacle - Stainless - Straight Holes
$6.27 - $7.65 Price Details
Alternate Part Number 1: 40R17-1
Alternate Part Number 2: 1142714

SK40R17-2 THUMBNAIL
Light Weight Receptacle - Stainless - Dimpled Holes
$6.27 - $7.65 Price Details
Alternate Part Number 1: 40R17-2
Alternate Part Number 2: 1142715
Grommetless Fastener - Slotted - Stainless
$11.03 - $12.26 Price Details
<<   <  Page of 21  >   >>
 

About Skybolt Fasteners

Precision-Engineered Quarter-Turn Fasteners for Aerospace, Defense, and High-Performance Applications

Skybolt manufactures high-strength panel fasteners, quick-release fasteners, and captive fastener systems in 300-series stainless steel and proprietary Skytanium® alloys. Our products serve general aviation, commercial aerospace, defense, industrial, and marine markets with design strength ratings that meet or exceed NASM5591 Chart II specifications.

Product Innovations

  • Skytanium® Alloy – 30–50% weight reduction with steel-equivalent strength properties
  • Diamondhead® CLoc® Rc – 27 stainless fasteners meet NASM5591 Chart II ratings (independently tested)
  • Adjustable-Depth Fasteners – Accommodates varying panel stack-ups
  • Specialty Head Styles – Wing, folding ring, and folding wing configurations
  • Nutsert-Installed Systems – Blind installation for limited-access applications
  • Quad-Lead Skyloc® – Positive-locking structural fastening

Quarter-Turn Fastener Systems

Skybolt produces fastener families compatible with industry-standard Camloc®, Dzus®, and Airloc® designs:

  • CLoc® Series – Camloc®-style quarter-turn fasteners (most common in general aviation and commercial aerospace)
  • DLoc® Series – Dzus®-style spring-loaded fasteners
  • ALoc® Series – Airloc®-style fasteners (common on Beechcraft applications)

Most Skybolt quarter-turn fasteners use 300-series stainless steel, avoiding the corrosion susceptibility of A286 or 400-series alloys while maintaining superior strength-to-weight performance.

📋 Application Guide

Select the appropriate CLoc® series based on structural requirements and panel geometry:

ApplicationRecommended SeriesNotes
Aircraft – Restricted Panel Overlap CLoc® 2500 <0.500" mounting width
Aircraft – Standard Panel CLoc® 2600 / 2700 / 2800 ≥0.500" mounting width
Beechcraft (Bonanza, Baron) CLoc® 4000 & ALoc® OEM-style compatibility
Industrial / Heavy-Duty CLoc® 4000 / 5000 / 6000 Semi-structural to structural loading
Defense / Armor Plating CLoc® 6000 Blast-resistant applications
Rotary/Fixed-Wing Aircraft CLoc® 2000 / 4000 / 5000 / 6000 Load-rated by application
Land-Based Vehicles CLoc® 5400 / 5500 High-vibration environments
Marine CLoc® 2000 Corrosion-resistant stainless
NASCAR / Road Racing CLoc® 2800 (Skytanium®) Maximum weight savings
Sprint Car / Oval Track ZLoc® 6 Series High-cycle durability
NHRA Drag Racing ZLoc® 6 Series Extreme load / vibration

🔧 Custom Engineering & Production

Skybolt provides full design-to-production support for application-specific fastener requirements. Our engineering team can develop custom solutions, typically within 30 days depending on component complexity and approval requirements.

Core Capabilities:

  • Application analysis and fastener selection
  • Custom material specifications
  • Prototype development and validation
  • Production tooling and manufacturing
  • FAA-PMA certification support (where applicable)

Trademark Notices: Camloc® is a registered trademark of Howmet Aerospace Inc. Dzus® is a registered trademark of Southco, Inc. Airloc® is a registered trademark of Lisi Aerospace.

Skybolt Fasteners is an independent manufacturer. Product references indicate design compatibility only. Skybolt is not affiliated with, endorsed by, or sponsored by these trademark holders.

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