Jam Nuts Manufacturers Suppliers Stockist India

Jam Nuts Manufacturers Suppliers Stockist India

Jam Nuts Manufacturers Suppliers Stockist India

The K.M Steel India stocks a large inventory of fasteners for commercial, industrial, utility, and OEM installations. We have Fasteners such as screws, Jam Nuts , bolts, nuts, washers, and studs available in several grades and materials. Along with the standard fasteners we also stock B7 bolts & studs and stainless steel, nuts, Jam Nuts, bolts, and washers. We also carry a large inventory of mechanical anchors such as, drop-ins, wedge anchors, tapcons, lead, plastic, and hollow wall anchors.

K.M Steel India is a full line fastener distributor that stocks a wide variety of products. No matter what the specification, we can find what you're looking for. If it's not on our shelves we will outsource the product to ensure our customers' satisfaction. With K.M Steel India, there is no job to large or small. We cater to any fastener need.

K.M Steel India is a major player in the fastener industry who handles the needs of any customer. For construction, we sell Jam Nuts to all the fields with a heavy concentration in electrical, mechanical, and steel erection contractors. We have a very large inventory of Jam Nuts , specialty bolts in all of our warehouses, supplying fields such as fasteners, anchors, channel and strut accessories.

K.M Steel India has established itself as the market leader and is recognised for exceptional service, timely delivery, competitiveness, and total solutions.

we also have our sales representatives to understand the requirements of our clients, we maintain ready stock of Jam Nuts in Cities like Abu Dhabi, Riyadh, Manama, Muscat, Doha, Dubai, Damascus, Khartoum, Beirut, Jeddah, Aleppo, Alexandria, Algiers, Amman, Mosul, Cairo, Baghdad, Dammam, Casablanca, Basra, Mecca, Tripoli, Rabat, Sana'a, Arbil, Hilla, Port Said, Marrakech, Medina, Al Hudaydah, Omdurman, Damietta, Homs, Kafr Dawar, Benghazi, Fez, Bahri, Nouakchott, Sulaymaniyah, Safi, Zarqa, Oran, Kirkuk, Ismailia, Tunis, Agadir, Tangier, Sharjah, Shibin El Kom, Misratah, Matrah, Aden, Najaf, Karbala, Latakia, Sousse, Meknes, Gaza, Fallujah, Aswan, Kassala, Al-Ubayyid, Sohag, Kuala Lumpur, Penang, Kuching & many more...

Jam Nuts

A jam nut is a low profile type of nut, typically half as tall as a standard nut. It is commonly used as a type of locknut, where it is "jammed" up against a standard nut to lock the two in place. It is also used in situations where a standard nut would not fit.

A jam nut can also refer to any nut that is used in the same function.

A jam nut is often used when a nut needs to be locked in place without clamping against another object. The jam nut essentially acts as the "other object", as the two nuts are tightened against each other. They can also be used to secure an item on a fastener without applying force to that object. This is achieved by first tightening one of the nuts onto the item. Then the other nut is screwed down on top of the first nut. The inner nut is then slackened back and tightened against the outer nut.

Jam nuts can be unreliable under significant loads. If the inner nut is torqued more than the outer nut, the outer nut may yield. If the outer nut is torqued more than the inner nut, the inner nut may loosen up

Jam nuts are thin hex nuts usually used as a second nut that is "jammed" (tightened) against a full size nut or alone as a thin nut. They are used to "lock" turnbuckles and control linkages, like steering tie rods, after adjustment. Hex is short for hexagon, which means they have six sides. Jam nuts are also known as:
half height nuts, hex thin nuts (even though they are referred to as half height, they are really two-thirds height). Jam nuts are used without lock washers when jammed against another nut, and may be used with lock washers when installed as a single nut.

When used in a "jam" configuration, the jam nut is installed first and contacts the mating surface. The full size nut is installed second and contacts the jam nut. Although this may be the generally accepted practice, there is still controversy as to which nut should be installed first. In addition, there is concern that the two nuts will not be equally torqued so one may yield before the other. If tension load is critical, one source suggests using a single lock nut instead.

Threads are standard right-hand and Unified inch coarse series (UNC, Unified National Coarse) or Unified inch fine (UNF, Unified National Fine). Left-hand threaded jam nuts are also available—see Left Hand Nuts.

Jam nut size refers to its nominal thread diameter. Typically, sizes range from 1/4" to about 2 1/2". Size is specified in inches, usually fractional rather than decimal. Table 1 lists width across flats and across corners, and thickness. Not all types are available in all sizes.

Width across flats, which is wrench size, ranges from 1.50 to 1.75 times the nominal jam nut size and thickness is 0.542 to 0.625 times the size, which is two-thirds the thickness of a standard nut. Nuts that are 5/8" and smaller are double (top and bottom) chamfered (beveled); larger sizes may be double chamfered or have a washer face bearing (bottom) surface and a chamfered top.

Unlike materials such as stainless steel and brass, steel jam nuts are available in different strength "grades" as designated by the SAE (Society of Automotive Engineers). Grade 2 is the lowest, in terms of both strength and cost; and Grade 8 is the highest SAE grade and is usually priced the highest as well. Never replace a graded jam nut with a lower grade or lower strength nut. Surface markings identify the grade.

Common materials include steel (unplated and plated—see more about finishes below), stainless steel and brass. Steel remains the least costly material followed by stainless steel; copper alloys (such as brass) are the most expensive.

A common finish for steel is zinc plating. Zinc, the most popular and least expensive commercial plating, offers moderate corrosion resistance. Stainless steel, though, is a better choice when corrosion is of concern except when submerged in salt water without free oxygen where it can suffer from severe pitting corrosion. Unplated and uncoated steel jam nuts—referred to as plain finish—may also be available and are susceptible to rust.

Always follow the manufacturer's recommendations regarding nut reuse, thread lubricants/locking compounds and torque values. It is advisable to match materials and finishes of jam nuts, washers and bolts/screws.

Stainless steel jam nuts and bolts/screws used together are susceptible to thread galling and seizing. While it may not be completely preventable, it can be substantially reduced. A thread lubricant is the most effective method. Alternatively, stainless steel alloys having different hardnesses—like a 316 nut and a 304 bolt/screw—have less tendency to gall.

If you need a thicker nut, choose a hex nut. For a wider and thicker nut, consider a heavy hex nut.Refer to ASME B18.2.2 for specifications relating to jam nuts.

Jam Nuts Dimensions

Jam Nut Dimensions

Nut
Size
Width Thickness
Across
Flats
Across
Corners
Basic
1/4 7/16 1/2 5/32
5/16 1/2 9/16 3/16
3/8 9/16 41/64 7/32
7/16 11/16 25/32 1/4
1/2 3/4 55/64 5/16
9/16 7/8 1 5/16
5/8 15/16 1 1/16 3/8
3/4 1 1/8 1 17/64 27/64
7/8 1 5/16 1 31/64 31/64
1 1 1/2 1 11/16 35/64
1 1/8 1 11/16 1 29/32 39/64
1 1/4 1 7/8 2 7/64 23/32
1 3/8 2 1/16 2 21/64 25/32
1 1/2 2 1/4 2 17/32 27/32

Hex Jam Nuts - ANSI / ASME B18.2.2 - 1987

Nominal Size
or Basic Major
Thread Diameter
F G H
Width
Across Flats
Width
Across Corners
Thickness
Basic Max Min Max Min Basic Max Min
1/4 .2500 7/16 .438 .428 .505 .488 5/32 .163 .150
5/16 .3125 1/2 .500 .489 .577 .557 3/16 .195 .180
3/8 .3750 9/16 .562 .551 .650 .628 7/32 .227 .210
7/16 .4375 11/16 .688 .675 .794 .768 1/4 .260 .240
1/2 .5000 3/4 .750 .736 .866 .840 5/16 .323 .302
9/16 .5625 7/8 .875 .851 1.010 .982 5/16 .324 .301
5/8 .6250 15/16 .938 .922 1.093 1.051 3/8 .387 .363
3/4 .7500 1-1/8 1.125 1.088 1.299 1.240 27/64 .446 .398
7/8 .8750 1-5/16 1.312 1.269 1.516 1.447 31/64 .510 .458
1 1.0000 1-1/2 1.500 1.450 1.732 1.653 35/64 .575 .519
1-1/8 1.1250 1-11/16 1.688 1.631 1.949 1.859 39/64 .639 .579
1-1/4 1.2500 1/7/8 1.875 1.812 2.165 2.066 23/32 .751 .687
1-3/8 1.3750 2-1/16 2.062 1.994 2.382 2.273 25/32 .815 .747
1-1/2 1.5000 2-1/4 2.250 2.175 2.598 2.480 27/32 .880 .808
1-3/4 1.7500 2-5/8 2.625 2.538 3.031 2.893 31/32 1.009 .929
2 2.0000 3 3.000 2.900 3.464 3.306 1-3/32 1.138 1.050
2-1/4 2.2500 3-1/2 3.500 3.388 4.041 3.862 1-13/64 1.251 1.155
2-1/2 2.5000 3-7/8 3.875 3.750 4.474 4.275 1-29/64 1.505 1.401



Hex Jam Nut Properties

Description A six sided internally threaded fastener which is only 2/3 he thickness of a full form nut.
Applications
& Advantages
Jam nuts are tightened against the work surface and a heavy hex nut is tightened against the jam nut to keep it from loosening.
Material Steel: Nuts shall be made from a low carbon steel which conforms to the following chemical composition requirements: Phosphorus: .12% max Carbon: .47% max Sulfur: .23% max
Stainless: Nuts shall be made from one of the following austenitic stainless alloys" 303, 303SE, 304 or XM7, all of which have a chromium content of 18% and a nickel content of 8%.
Heat Treatment The austenitic alloys develop their strength through work hardening during the manufacturing process, as seen from their hardness properties below. The only heat treatment normally available on austenitic stainless steel alloys is annealing, which is done at approximately 1900°F to a dead soft condition and is not normally thermally reversible.
Core Hardness Steel: Rockwell B68 - C32
Stainless: Rockwell B95 - C32
Proof Load Steel: Course thread: 54,000 psi Fine Thread: 48,000 psi
Stainless: 1/4 thru 1/2 inch - 60,000 psi

Jam Nuts Price

high discount on big bulk Order

MS35649-282.
Jam Nut #8-32, 11/32 Hex
FOB Price: $0.20 to $0.91

AN315-3.
Jam Nut #10-=32, 3/8 Hex
FOB Price: $0.18 to $0.91

AN315-3L.
Jam Nut #10-32 Left, 3/8 Hex
FOB Price: $0.48 to $0.91

AN316-04.
Jam Nut 1/4-28, 7/16 Hex
FOB Price: $0.16 to $0.91

AN316-04L.
Jam Nut 1/4-28 Left, 7/16 Hex
FOB Price: $0.53 to $0.91

AN316-05.
Jam Nut 5/16-24, 1/2 Hex
FOB Price: $0.25 to $0.91

AN316-05L.
Jam Nut 5/16-24 Left, 1/2 Hex
FOB Price: $0.70 to $0.91

AN316-06.
Jam Nut 3/8-24, 9/16 Hex
FOB Price: $0.33 to $0.91

AN316-06L.
Jam Nut 3/8-24 Left, 9/16 Hex
FOB Price: $0.75 to $0.91

AN316-07.
Jam Nut 7/16-20, 5/8 Hex
FOB Price: $0.55 to $0.91

AN316-07L.
Jam Nut 7/16-20 Left, 5/8 Hex
FOB Price: $0.78 to $0.91

AN316-08.
Jam Nut 1/2-20, 3/4 Hex
FOB Price: $0.90 to $1.58

AN316-08L.
Jam Nut 1/2-20 Left, 3/4 Hex
FOB Price: $1.58 to $2.58

AN316-09.
Jam Nut 9/16-18, 7/8 Hex
FOB Price: $2.00 to $3.58

AN316-09L.
Jam Nut 9/16-18 Left, 7/8 Hex
FOB Price: $2.28 to $4.58

AN316-10.
Jam Nut 5/8-18, 1 Hex
FOB Price: $2.33 to $4.58

AN316-10LC.
Jam Nut 5/8-18 Left, 15/16" Hex
FOB Price: $1.13 to $3.58

AN316-12.
Jam Nut 3/4-16, 1 1/8 Hex
FOB Price: $3.25 to $3.58

AN316-12L.
Jam Nut 3/4-16 Left, 1 1/8 Hex
FOB Price: $6.25 to $8.58

AN316-14.
Jam Nut 7/8-14
FOB Price: $6.00 to $8.58

AN316-14L.
Jam Nut 7/8-14 Left
FOB Price: $6.88 to $8.58

AN364-0832A.
#8-32 Nylok Half Height .172 HT 11/32 Hex
FOB Price: $0.18

AN364-1018A.
5/8-18 Nylok Half Height .391 HT 15/16 Hex
FOB Price: $2.13 to $4.58

AN364-1032A.
#10-32 Nylok Half Height, .172 HT 3/8 Hex
FOB Price: $0.19 to $0.91

AN364-1216A.
3/4-16 Nylok Nut-SHR
FOB Price: $3.00 to $5.58

AN364-428A.
1/4-28 Nylok Half Height .203 HT 7/16 Hex
FOB Price: $0.25 to $0.91

AN364-524A.
5/16-24 Nylok Half Height .250 HT 1/2 Hex
FOB Price: $0.50 to $0.91

AN364-624A.
3/8-24 Nylok Half Height .266 HT 9/16 Hex
FOB Price: $0.58 to $1.01

AN364-720A.
7/16-20 Nylok Half Height .312 HT 5/8 Hex
FOB Price: $1.18 to $3.01

AN364-820A.
1/2-20 Nylok Half Height .312 HT 3/4 Hex
FOB Price: $1.50 to $3.01

AN364-918A.
9/16-18 Nylok Half Height .359 HT 7/8 Hex
FOB Price: $1.63 to $3.10

AN365-0632A.
#6-32 Nylok Full Height .172 HT 5/16 Hex
FOB Price: $0.13 to $0.91

AN365-0832A.
#8-32 Nylok Full Height .234 HT 11/32 Hex
FOB Price: $0.25 to $0.91

AN365-1018A.
5/8-18 Nylok Full Height .750 HT 15/16 Hex
FOB Price: $2.13 to $4.10

AN365-1032A.
#10-32 Nylok Full Height .234 HT 3/8 Hex
FOB Price: $0.25 to $0.91

AN365-1216A.
3/4-16 Nylok Full Height .875 HT 1 1/16 Hex
FOB Price: $3.13 to $3.10

AN365-428A.
1/4-28 Nylok Full Height .312 HT 7/16 Hex
FOB Price: $0.21 to $0.91

AN365-524A.
5/16-24 Nylok Full Height .344 HT 1/2 Hex
FOB Price: $0.30 to $0.91

AN365-624A.
3/8-24 Nylok Full Height .453 HT 9/16 Hex
FOB Price: $0.48 to $0.91

AN365-720A.
7/16-20 Nylok Full Height .453 HT 5/8 Hex
FOB Price: $1.33 to $3.10

AN365-820A.
1/2-20 Nylok Full Height .594 HT 3/4 Hex
FOB Price: $1.63 to $3.10

AN365-918A.
9/16-18 Nylok Full Height .688 HT 7/8 Hex
FOB Price: $3.13 to $5.10

 

DELIVERY: Ex Stock or 15-30 DAYS or AS COMMUNICATION
Pay Mode Terms: L/C (Letter of Credit), T/T (Bank Transfer)
Port of Dispatch : CST Air Port, Mumbai & Nhava Seva Sea Port
Production Capacity : 500 Metric Tons/Month

For quick Quote For Jam Nuts, please contact our Sales team.

Email : kmsteelindia@gmail.com, info@kmsteelindia.com


/// Quick Contact Us : +91-9869714760

ORDER ARE PROCESSED IMMEDIATELY & SHIPPED QUICKLY. CALL +91 22 6639 4590 & SPEAK TO A MEMBER OF OUR EXPERIENCED SALES TEAM.

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