AN4H12A

Aeronautical Standard Machine Bolt

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Description:

length: 1-9/32", grip: 13/16", thread: 1/4-28, cadmium plated steel undrilled shank, drilled head

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AN4H12A
AN4H12A
AN4H12A
AN4H12A
AN4H12A
AN4H12A
AN4H12A
Add to Cart Up to qty 500 ships same day if ordered before 4pm EST
AN4H12A Price:
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$2.15 Each
Quantity:
Pre-packaged bag qty: 25 ea
* Sold in increments of 25
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AN4H12A Datasheet Features and Specification

Thread Diameter:
0.250 inches
Thread Class:
3a
Surface Treatment Specification:
Class 3 federal specification all treatment responses type 2 qq-p-416
Surface Treatment:
Cadmium and chromate
Min. Tensile Strength (psi):
125000 pounds per square inch
Hole Type:
Drilled
Material:
Steel comp 4140 or steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4130 or steel comp 4037
Material Specification:
Mil-s-5626 military specification 1st material response or mil-s-6049 military specification 2nd material response or mil-s-6050 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6758 military specification 5th material response or ams 6300 assn standard 6th material response
Hole Quantity:
1
Hole Diameter:
0.046 inches
Hole Configuration Style:
Hexagon flats
Head Height:
Between 0.140 inches and 0.172 inches
Head Style:
Hexagon
Hardness Rating:
26.0 rockwell c and 32.0 rockwell c
Grip Length:
Between 0.797 inches and 0.828 inches
Features Provided:
Finished head
Fastener Length:
Between 1.266 inches and 1.312 inches
Thread Direction:
Right-hand
Thread Length:
Between 0.438 inches and 0.515 inches
Thread Series Designator:
Unf (fine thread)
Thready Qty Per Inch (tpi):
28
Width Between Flats:
Between 0.428 inches and 0.440 inches
Quick Specs
Thread Size 1/4
Thread Qty 28
Thread Series UNF
Thread Class 3A
Material Steel

Additional Information

SKU / Model: AN4H12A
NSN: 5306-00-182-1960
FSC: Bolts / 5306
Product Series: AN4H
Pack Weight (Approx.) 0.585 lb
Minimum Qty (MOQ): 25
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
AN4H12A_Military-Fasteners-com.pdf
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AN4H13A
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in Bolts

length: 1-13/32", grip: 15/16", thread: 1/4-28, cadmium plated steel, undrilled shank, drilled head, AN4 series bolt

More AN4H machine bolts

AN4H7A

$1.02 Each, airframe bolt 1/4-28 Thread, 7/16in. Grip, 29/32in. Length drilled head undrilled shank

AN4H7

Length: 29/32in., grip: 7/16in., thread: 1/4-28, cadmium plated steel drilled shank, drilled head

AN4H6A

Length: 25/32in., grip: 5/16in., thread: 1/4-28, cadmium plated steel undrilled shank drilled head

AN4H66A

Fastener Length: 6-13/16", Hole Diameter: 1/32", Thread: 1/4-28, Thread Length: 33/64"

AN4H60A

Fastener Length: 6-", Hole Diameter: 1/32", Thread: 1/4-28, Thread Length: 15/32"

AN4H6

$1.50 Each, Length: 25/32in., grip: 5/16in., thread: 1/4-28, cadmium plated steel drilled shank drilled head

Product Image Gallery

Product code AN4H12A
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Customer Reviews

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Products are military grade MIL-SPEC as advertised. I was able to locate #10 locking counter-sunk nutplates when ALL other locations, including Aircraft-Spruce, could not supply.

5.0

Great product at a good price, fast delivery. Easy install, fired up perfectly right out of the box.

4.0

I placed this order late at 4:15 over the phone, 15 minutes past the cut off time.(Which rarely happens) It was critical for us to get the sparkplugs as a customer had called me and scheduled to bring his plane in the next day to have all his plugs replaced. My sales agent said she would personally go and pull the product so it would ship that day, and she did what she said. She saved me the embarrassment of telling my customer I forgot to order his parts on time and making him reschedule a maintenance visit. I am thankful you have people like her who really care about the customer and want to put in the extra effort for customer service. In my aircraft maintenance business I purchase everything I can first from Military Fasteners before I go looking for other venders. I use Military Fasteners because of the great customer service, free shipping (which is one day ground), large selection on hardware and materials, and competitive prices. I am a loyal customer and I order 2-3+ times a week. Thank you for the great service that your people provide at Military Fasteners.

5.0

My company works directly with Military Fasteners, and we have had nothing but positive experiences. Trisha Hawkins, in particular, has been our primary contact. She always responds quickly and works to make sure the order is correct and shipped on time. Military Fasteners is a trusted vendor of ours and we look forward to working with them again in the future!

5.0