Accessories for self drilling anchor bolt

Nut, Coupling, Plate, Centralizer, Cross drill bit, Button drill bit and Clay bit can be supplied by different sizes. They can also be supplied according to the drawing or specific requirement.

Product Description

NUTS	TYPE	OPPOSITE SIDES(MM)	HEIGHT(MM)	WEIGHT(KG)
	R22	36	28	0.20
	R25	41	35	0.25
	R28	43	40	0.30
	R32	46	45	0.35
	R38	50	50	0.40
	R51	75	70	1.55
	R65	90	75	2.85
	T76	100	80	3.60

COUPLERS	TYPE	O.D.(MM)	LENGTH(MM)	WEIGHT(KG)
	R22	30	120	0.50
	R25	34	150	0.60
	R28	40	150	0.70
	R32N	42	160	0.85
	R32S	42	195	1.10
	R38	51	220	1.70
	R51L	63	140	1.15
	R51N	63	220	1.90
	R65	85	200	4.50
	T76	95	200	6.40

PLATES	TYPE	SIZES(MM)	THICKNESS(MM)	WEIGHT(KG)
	R22	150X150	8	1.40
	R25	150X150	8	1.40
	R25S	200X200	10	3.10
	R28	150X150	8	1.40
	R32N	200X200	10	3.00
	R32S	200X200	12	3.70
	R38	200X200	12	3.60
	R51	200X200	30	8.80



DRILL BITS	TYPE	BORE DIA(MM)	HEIGHT(MM)	WEIGHT(KG)
	R25/42/EXX	42	58	0.35
	R25/51/EXX	51	58	0.48
	R32/51/EX	51	58	0.46
	R32/51/EC	51	58	0.46
	R32/51/EXX	51	58	0.46
	R32/51/ECC	51	58	0.46
	R32/51/ESS	51	65	0.62
	R38/76/EX	76	70	1.20
	R38/76/ESS	76	75	1.20
	R51/115/ESS-D	115	80	2.00
	R51/100/ESS-F	100	80	1.80
	T76/130/EX	130	100	6.00
	T76/120/ESS-F	120	100	4.60
	T76/175/XX	175	100	6.00

EXPANSION	TYPE	ADAPTABLE OD(MM)	HEIGHT(MM)	WEIGHT(KG)
ANCHOR HEAD	R22	40	120	0.82
	R25	42	120	0.93
	R28	45	130	1.15
	R32N	50	130	1.20
	R32S	60	130	1.80
	R38	60	130	2.00

Threaded hollow bars are widely used in construction, mining, and tunneling industries for various applications. Some common uses and advantages of threaded hollow bars include:

1. Ground stabilization: Threaded hollow bars are used for ground stabilization in rock and soil. They are inserted into the ground and grouted to provide support and reinforcement, particularly in areas prone to landslides, collapsing walls, or sinkholes.

2. Anchoring systems: Threaded hollow bars can be used as part of anchoring systems to provide stability and support to structures. They are commonly used to secure retaining walls, slopes, and deep excavations, minimizing the risk of structural failure.

3. Foundation reinforcement: Threaded hollow bars are used to strengthen foundation structures in construction projects. By embedding the bars in concrete or soil, they increase the load-bearing capacity of foundations and prevent settlement or shifting.

4. Tunneling and mining: Threaded hollow bars are essential in tunnel construction and mining as they provide ground reinforcement and support to prevent collapse or cave-ins. The bars can stabilize the rock or soil while also serving as the base for other support structures.

Advantages of threaded hollow bars:

1. Versatility: Threaded hollow bars come in various sizes and lengths, making them suitable for a wide range of applications. They can be easily customized to fit specific project requirements.

2. High load-bearing capacity: These bars are designed to withstand heavy loads and provide substantial support and reinforcement to structures. They can effectively distribute and transfer the load to prevent any structural damage.

3. Corrosion resistance: Threaded hollow bars are often made of high-strength steel or other materials with excellent corrosion resistance. This makes them suitable for use in harsh environmental conditions, including marine or underground applications.

4. Installation efficiency: The threaded design of these bars allows for quick and easy installation. They can be installed with various types of drilling equipment, reducing labor and installation time.

5. Reliability and durability: Threaded hollow bars are known for their strength and durability, ensuring long-term stability and performance. They are built to withstand heavy loads, vibrations, and external forces.

Overall, threaded hollow bars offer a reliable and efficient solution for ground reinforcement and structural stability in various construction and mining applications.