ASTM A325 / A325M Heavy Hex Structural Bolts
The bolts are intended for use in structural connections. These connections are covered under the requirements of the Specification for Structural Joints Using ASTM A325 Bolts, approved by the Research Council on Structural Connections, endorsed by the American Institute of Steel Construction and by the Industrial Fastener Institute.
Dimension: ASME B18.2.6 (Inch Size), ASME B18.2.3.7M (Metric Size)
Thread Size: 1/2"-1.1/2", M12-M36, with various lengths
Grade: ASTM A325 / A325M Type-1
Finish: Black Oxide, Zinc Plating, Hot Dip Galvanized, Dacromet, and so on
Packing: Bulk about 25 kgs each carton, 36 cartons each pallet
Advantage: High Quality and Strict Quality Control, Competitive price,Timely delivery; Technical support, Supply Test Reports
Please feel free to contact us for more details.
In 2016, ASTM A325 was officially withdrawn and replaced by ASTM F3125, in which A325 now becomes a grade under the F3125 specification. The F3125 specification is a consolidation and replacement of six ASTM standards, including; A325, A325M, A490, A490M, F1852, and F2280.
Prior to its withdrawl in 2016, the ASTM A325 specification covered high strength heavy hex structural bolts from 1/2″ diameter through 1-1/2″ diameter. These bolts are intended for use in structural connections and therefore have shorter thread lengths than standard hex bolts.
This specification is applicable to heavy hex structural bolts only. For bolts of other configurations and thread lengths with similar mechanical properties, see Specification A449.
Bolts for general applications, including anchor bolts, are covered by Specification A449. Also refer to Specification A449 for quenched and tempered steel bolts and studs with diameters greater than 1-1/2″ but with similar mechanical properties.
ASTM A325
Scope The ASTM A325 specification covers high strength heavy hex structural bolts from ½” diameter through 1-1/2” diameter. These bolts are intended for use in structural connections and therefore have shorter thread lengths than standard hex bolts. Refer to the Structural Bolts page of our site for thread lengths and other related dimensions. This specification is applicable to heavy hex structural bolts only. For bolts of other configurations and thread lengths with similar mechanical properties, see Specification A 449. Bolts for general applications, including anchor bolts, are covered by Specification A 449. Also refer to Specification A 449 for quenched and tempered steel bolts and studs with diameters greater than 1-1/2"" but with similar mechanical properties.| TYPE 1 | Medium carbon, carbon boron, or medium carbon alloy steel. |
| TYPE 2 | Withdrawn November 1991. |
| TYPE 3 | Weathering steel. |
| T | Fully threaded A325. (Restricted to 4 times the diameter in length) |
| M | Metric A325. |
| SC | Slip critical connection. |
| N | Bearing type connection with threads included in the shear plane. |
| X | Bearing-type connection with threads excluded from the shear plane. |
| Size | Tensile, ksi | Yield, ksi | Elong. %, min | RA %, min |
| 1/2 - 1 | 120 min | 92 min | 14 | 35 |
| 1-1/8 - 1-1/2 | 105 min | 81 min | 14 | 35 |
| Nuts | Washers | |||
| Type 1 | Type 3 | Type 1 | Type 3 | |
| Plain | Galvanized | Plain | ||
| A563C, C3, D, DH, DH3 | A563DH | A563C3, DH3 | F436-1 | F436-3 |
| Note: Nuts conforming to A194 Grade 2H are a suitable substitute for use with A325 heavy hex structural bolts. The ASTM A563 Nut Compatibility Chart has a complete list of specifications. | ||||
CAD 116 Base Plate Part 2
The Black Phantom is complete minus a broken steering servo that is on order. Here is a general list of parts ultimately used :
stub wheel axles = hpi a557
wheels = hpi 100623
wheels adapters = tamiya 53913 (2005 frog rear wheel adapters)
tires = schumacher T692 rear buggy tires (block tread, blue compound)
tire inserts = jconcepts 3206-1
dogbones = duratrax 9662
barrel axle nuts = crp 1565
esc = tamiya teu103bk
radio = futaba 2dr (stick, 2 channel am radio)
steering ball links = hangar 3617
steering rod = sullivan 495 (4-40 stainless threaded rod)
servo saver = kimbrough 114 (futaba spline)
motor pinion gear = RC4WD Z-G0016 (32 pitch, 12 tooth, steel w/ dual stainless set screws)
adapter bushing for pinion – nwsl 10162-9 (3.2mm to 2.4mm adapter)
battery = venom 7.2v 3300mah nimh
battery charger = duratrax onyx 200 (peak charger)
battery connectors = deans 1300 (ultra plugs)
motors = lrp 52030
motor springs = xtreme production EHB005-S
motor lead wires = trinity 4000 (no solder motor leads)
M5 size flat washers (used for axle spacers and barrel nuts)
M5 size split lock washers (used for barrel nuts)
M2 size nylon insert locknuts (used to secure steering on ball links)
M2 flat washers (used on ball links)
M2 hex cap screws (used to secure ball links)
5mm hss flute reamer (used to modify frog wheel adapters and wheels)
gearbox outdrives = from a parts nikko dictator
5×11 ball bearings = boca green seal in the gearboxes, chinese abec 5 (ebay) in the axle carriers (no difference in my
opinion).
rear bumper = from a parts nikko megatron
antenna tube = duratrax 2415
gear lube = tamiya ceramic grease (small tubes) obtained from ebay (no
part number)
steering servo on order = futaba s9402 (used ebay). I’m not going with an s3305 due to slower speed. I have a hobby people A50M that I will try if the s9402 doesn’t work out. I’ll just have to see what works the best. I’ll post an update as soon as I can.
If I missed any parts or if you have comments or questions, please feel free to leave them.
As of 3/5/2012 – The futaba S9402 servo worked out fine, however, one of the steering rods was bent slightly during an unfortunate crash on the test run. I installed rear oil damper shocks (85mm) and had a matching set for the front but the front ones (65mm) ended up being too short so for the front I will probably try 70mm. I don’t know if 70mm will be long enough for the front though. I’ll have to see what happens when they come in. I will post a review of the steering mods and shocks as well as a run video when I get another steering rod cut and the front shocks arrive and hopefully they will work out.
Thank you for watching.