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Fastener Sets & Assemblies › Assortment Kits & Mixed Fastener Sets

Sinorock Efficient and Safe Underground Excavation Works Self Drilling Threaded Anchor Bolt

Updated 2026-11-04 · Markdown version

Model no. whole set of SDA

US$6.60 / piece

MOQ 30 pieces · Final price confirmed in your quote

Material: High Strength Alloy Steel
Diameter(mm): 42/51//76/90/100/110/115/130/150/160/180/200
Bit Material: Tungsten and Manganse Steel
Package Size: 42.00cm * 38.00cm * 25.00cm

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Specifications are as listed for this product. Engineering Hardware & Fasteners confirms ratings, mating parts, compatibility, packing and lead time with you before you order.

Specifications

Customization	Available
After-sales Service	Whole Plan Provider
Warranty	Commonly Used About One Year
Model NO.	whole set of SDA
Type	Whole Set of Anchor System
Application	Tunnel Boring Machine
Certification	ISO9001: 2000, BV Certificated
Condition	New
Material	High Strength Alloy Steel
Diameter(mm)	42/51//76/90/100/110/115/130/150/160/180/200
Usage	Rock Drilling
Bit Material	Tungsten and Manganse Steel
Transport Package	Carton Box/Plywood Box
Specification	R25/R32/R38/R51/T30/T40/T53/T76/T103
Origin	Ningbo, China
Production Capacity	1000000PCS/Year
Package Size	42.00cm * 38.00cm * 25.00cm
Package Gross Weight	25.000kg
grouting drill System Consists of	Steel Hollow Bar
Category	Assortment Kits & Mixed Fastener Sets

Technical parameters

Drill Bit Selection
EX	Description	A machined or cast hardened cross dirll bit.
Suitable Conditions	A majority of applications for loose to medium dense ground conditions.
EXX	Description	The tungsten carbide corss bit.
Suitable Conditions	Suitable for soft to medium fractured rock formations.
ESF	Description	Cast and hardened hemispherical button drill bit.
Suitable Conditions	Suitable for silt, sand and gravel and soft rock formations.
ESD	Description	Drop center hardened button bit.
Suitable Conditions	For increased drilling efficiency of silt, sand and gravel with small boulders or soft rock.
ESSF	Description	Tungsten carbide hemispherical button drill bit.
Suitable Conditions	With flat drill face for a large range of fractured ground, broken and medium rock formations.
EW	Description	Clay drill bit.
Suitable Conditions	Cohesive mixed soils without obstructions.
EC	Description	Hardened tri-cresent/arching drill bit.
Suitable Conditions	Suitable for unconsolidated soil with small boulders.
ECC	Description	Tungsten carbide tri-cresent/arching bit.
Suitable Conditions	For a range of soft to medium rock formations.
EY	Description	Hardened tri-blade drill bit with a drop center buttons.
Suitable Conditions	Offers an increased cutting performance in fills and chalk.
EYY	Description	TC drop center bit with hardened tri-blade bit.
Suitable Conditions	Suitable for soft to medium cemented ground conditions including fills and chalk.

Bit Type	Drill Bit Diameters
R25	R32	R38	R51	T30	T40	T52	T73	T76	T103
EX	φ42 φ51	φ51 φ76 φ90	φ76 φ90 φ100	φ90 φ115	φ42 φ46 φ51 φ76	φ76 φ90 φ100 φ115	φ115	φ130 φ170	φ130 φ170	-
EXX	φ42 φ51	φ51 φ76 φ90	φ76 φ90 φ100	φ90 φ100 φ115 φ130 φ150	φ42 φ46 φ51	φ76 φ90 φ100 φ115 φ130 φ150	φ115 φ130 φ150	φ130 φ150 φ200	φ130 φ150 φ200	φ175
ESF	φ42 φ51	φ51 φ76	φ76 φ90 φ100	φ90 φ110	φ42 φ46 φ51	φ76 φ90 φ100 φ115 φ130	-	-	-	-
ESD	-	-	φ115	φ115	-	-	φ115	φ130	φ130 φ170	-
ESSF	φ42 φ51	φ51 φ76 φ90	φ76 φ90 φ100 φ115	φ90 φ100 φ115 φ130 φ150	φ46 φ51	φ70 φ76 φ90 φ100 φ115 φ130	φ100 φ115	φ110 φ130	φ120 φ130 φ150	φ175
EW	-	φ76 φ90	φ76 φ90 φ100 φ110 φ115 φ130 φ150	φ130 φ150 φ175	φ76 φ90	φ90 φ130 φ150	φ130 φ150	φ130 φ150	φ130 φ150	φ220 φ280
EC	-	φ51 φ76	φ76 φ90 φ115	φ115	φ51	φ90 φ115	-	-	-	-
ECC	-	φ51 φ76	φ76 φ90 φ110 φ115	φ115	φ51	φ90 φ100 φ115	-	-	-	-
EY	-	φ76 φ90	φ76 φ90 φ130	φ115	-	-	-	-	-	-
EYY	-	φ76 φ90	φ76 φ90 φ130	φ115	-	-	-	-	-	-

Description

Sinorock Efficient and Safe Underground Excavation Works Self Drilling Threaded Anchor Bolt is part of our assortment kits & mixed fastener sets range (Fastener Sets & Assemblies).

Key details

Type: Whole Set of Anchor System
Material: High Strength Alloy Steel
Application: Tunnel Boring Machine
Certification: ISO9001: 2000, BV Certificated
Warranty: Commonly Used About One Year
Condition: New
Diameter(mm): 42/51//76/90/100/110/115/130/150/160/180/200
Usage: Rock Drilling

Available configurations include material, diameter(mm), bit material and package size. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 30 pieces at US$6.60 per piece. Send one inquiry with the part number, quantity and destination, and Engineering Hardware & Fasteners confirms size, thread, material, grade, finish, price, lead time and shipping, checks the goods before dispatch and ships them to you.

Frequently asked questions

What is the minimum order quantity (MOQ) for Sinorock Efficient and Safe Underground Excavation Works Self Drilling Threaded Anchor Bolt?

The listed minimum order is 30 pieces, at US$6.60 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

What are the main specifications of Sinorock Efficient and Safe Underground Excavation Works Self Drilling Threaded Anchor Bolt?

Type: Whole Set of Anchor System; Material: High Strength Alloy Steel; Application: Tunnel Boring Machine; Certification: ISO9001: 2000, BV Certificated; Warranty: Commonly Used About One Year; Condition: New. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include material, diameter(mm), bit material and package size. Size, thread, length, material and grade, surface finish, head marking, packaging and labels can be quoted to your specification or drawing.

What is the lead time and how is it shipped?

Lead time depends on quantity and customization and is confirmed in your quote. Engineering Hardware & Fasteners checks the goods before dispatch and ships by express, air or sea; mixed orders can be consolidated in one shipment.

Which other assortment kits & mixed fastener sets are available?

The Assortment Kits & Mixed Fastener Sets category lists 3,161 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/fastener-sets-assemblies/assortment-kits-mixed-fastener-sets/

How we work

Specified, checked and shipped by Engineering Hardware & Fasteners

Engineering Hardware & Fasteners supplies bolts, screws, nuts, washers, anchors, rivets and fastening hardware to equipment makers, contractors, distributors and maintenance teams. Orders go through one controlled process: size, thread, material, grade and finish confirmed, samples approved, dimensions, thread fit and plating checked before packing, then packed for export — standard or made to drawing.

DIN, ISO, ASTM, ANSI, JIS and GB standard parts
Non-standard parts made to your drawing
Dimensions, thread gauges and plating checked before packing
Export cartons and pallets, consolidated mixed orders
Samples available for approval before mass production

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