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A rock bolt is a long anchor bolt, for stabilizing rock excavations, which may be used in tunnels or rock cuts. It transfers load from the unstable exterior to the confined (and much stronger) interior of the rock mass. Srons Engineers are the largest manufacturers, suppliers and exporters of all types of Rock Bolts in India.
R thread self-drilling rock anchorR type self-drilling rock anchor consist of a hollow threaded (Rope thread) rod with a sacrificial drill bit, plate, nut, and an extension coupling. The coupling offers a flexibility to easily adjust the rod length to the site requirements, it is especially widely used in a confined workspace with limited head room.
T thread self-drilling rock anchorT type self-drilling rock anchor consist of a hollow threaded (trapezoidal thread) rod with a sacrificial drill bit, plate, nut, and an extension coupling. The coupling offers a flexibility to easily adjust the rod length to the site requirements, it is especially widely used in a confined workspace with limited head room.
Prestressed rock anchorPrestressed rock anchor consists of a hollow threaded (rope thread) rod with a expansion shell type anchor head, plate, nut, and an extension coupling.
Nuts are used at the end of the anchor bar to secure the top plate in place. Pick the size according to the size of bar used for the application.
Unit | R 25N | R 32L | R 32N | R 32S | R 38N | R 51L | R 51 N | T 76N | T 76S | |
Key Size | mm | 41 | 46 | 46 | 46 | 50 | 75 | 75 | 100 | 100 |
Length | mm | 35 | 45 | 45 | 65 | 60 | 70 | 70 | 80 | 80 |
Anchor Rod Tray is one part od seam pipe anchor rod. Its materials used, solder ring, rolling head production rod, making retaining ring circling cutting, shearing, punching, punching produce trays, rod, retaining ring.
Unit | R 25N | R 32L | R 32N | R 32S | R 38N | R 51L | R 51 N | T 76N | T 76S | |
Dimension | mm | 150x150 | 200x200 | 200x200 | 200x200 | 200x200 | 200x200 | 250x250 | 250x250 | 250x250 |
Thickness | mm | 8 | 10 | 10 | 12 | 12 | 30 | 40 | 40 | 40 |
Hole Diameter | mm | 30 | 35 | 35 | 35 | 41 | 60 | 60 | 80 | 80 |
Couplers are used to join various segments of anchor bar together. Simply match the coupler size to the bar diameter and multiple bars can be easily joined together. The coupler thread has a break in the center making it easy to ensure that both the front & back end bar meet in the middle of the coupler.
Unit | R 25N | R 32L | R 32N | R 32S | R 38N | R 51L | R 51 N | T 76N | T 76S | |
Outer Diameter | mm | 36 | 42 | 42 | 42 | 52 | 63 | 63 | 95 | 95 |
Length | mm | 150 | 145 | 160 | 190 | 220 | 140 | 200 | 200 | 200 |
Adapters are used with anchor bars to allow a larger drill bit to be used with a smaller bar. The anchor bar threads into the inside of the adapter and the drill bit on the outside. This can be a cost saving solution for applications that do not require the strength of larger diameter bars but benefit from a thicker cross section of grout.
Hardened Steel Cross-Cut Drill Bit are Designed as a cost effective solution for loose to medium dense ground conditions.
Tungsten Carbide Button Drill Bit are Designed with tungsten carbide "buttons" to add extra strength to the cast hardened button bit, this drill bit is excellent at handling medium rock formations.
A washer is a thin steel plate (typically disk-shaped) with a hole (typically in the middle) that is normally used to distribute the load of a threaded fastener i.e. Hex Bolts, Hex Nuts & screws etc. Srons Engineers are the largest manufacturers, suppliers and exporters of all types of Plain Washers / Flat Washers / DIN 125 Washer / DIN 126 Washers in India.
Srons Engineers are providing you the best range of locking bolt jcb, hex bolts, metric hex bolts, mild steel hex bolts and hex bolt with effective & timely delivery. Metric Hex Bolts is a full thread bolt with a six sided head. Enriched with vast industry experience, we make the use of quality raw materials. Provided with accurate dimensions, the product is efficient in its functioning. Srons Engineers are the largest manufacturers, suppliers and exporters of all types of Hex Bolts in India.
Thread Size
M4 | M5 | M6 | M8 | M10 | M12 | M14 | |
Pitch | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 |
k | 2.8 | 3.5 | 4 | 5.3 | 6.4 | 7.5 | 8.8 |
Grade A | 7.66 | 8.79 | 11.05 | 14.38 | 18.9 | 21.1 | 24.49 |
Grade B | - | 8.63 | 10.89 | 14.2 | 18.72 | 20.88 | 23.91 |
S | 7 | 8 | 10 | 13 | 17 | 19 | 22 |
L | 8-40 | 8-40 | 8-50 | 12-60 | 16-60 | 20-80 | 25.80 |
Srons Engineers offer a wide range of superior quality High Tensile Hex Nuts. These High Tensile Hex Nuts are used on external or male screw threads for tightening two or more components. Fabricated from high grade materials, these High Tensile Hex Nuts are available in different shapes and sizes to perfectly meet the requirements of engineering, electrical and hardware industries. We also have capability of offering these High Tensile Hex Nuts in both standard as well as customized specifications. Srons Engineers are the largest manufacturers, suppliers and exporters of all types of Hex Nuts in India.
Thread Size
M2 | M3 | M4 | M5 | M6 | M8 | M10 | M12 | M16 | |
Pitch | 0.4 | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 |
m | 1.6 | 2.4 | 3.2 | 4 | 5 | 6.5 | 8 | 10 | 13 |
e | 4.32 | 6.01 | 7.68 | 8.79 | 11.05 | 14.38 | 18.9 | 21.1 | 16.75 |
s | 4 | 5.5 | 7 | 8 | 10 | 13 | 17 | 19 | 24 |
Srons Engineers are the Indian manufacturer exporter and supplier of highly durable Channel Nuts, Spring Channel Nuts, Short Spring Channel Nut, Long Spring Channel Nuts, Conical Spring Channel Nuts, Top Spring Channel Nut, Hammer Head Channel Nuts that is precisely designed to provide better gripping power with Strut Channels. Our range assures dimensional accuracy, durable finish and high tensile strength. Available in a variety of sizes, our clients can avail this product at the best industry prices.
A ring split at one point and bent into a helical shape. This causes the washer to exert a spring force between the fastener's head and the substrate, which maintains the washer hard against the substrate and the bolt thread hard against the nut or substrate thread, creating more friction and resistance to rotation. Srons Engineers are the largest manufacturers, suppliers and exporters of all types of Spring Washers / Spring Lock Washers / DIN 127 Spring Washers in India.
d
M3 | M4 | M5 | M6 | M8 | M10 | M12 | M14 | |
d1 min. | 3.6 | 4.1 | 5.1 | 6.1 | 8.1 | 10.2 | 12.2 | 14.2 |
d2 max. | 5.6 | 7.0 | 8.8 | 9.9 | 12.7 | 16.0 | 18.0 | 21.1 |
s | 1.0 | 1.2 | 1.6 | 1.6 | 2.0 | 2.5 | 2.5 | 3.0 |
0.1 | 0.2 | 0.3 | 0.4 | 0.8 | 2.0 | 3.0 | 5.5 |
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Payment Terms : L/C, D/A, D/P, T/T, Western Union, ,
Delivery Time : 3 week
Additional Information:
Payment Terms : L/C, T/T