...gypsum board expansion screw hollow brick expansion bolt hollow wall special expansion bolt Product Description We have all standard DIN, BS, JIS and ISO fasteners and other industrial parts with well-equipped testing facilities and strong technical force. Related Products Certifications Exhibition Testing Laboratory Quality Control: The quality control is strictly performed from buying......
Kunshan Grace Hardware Co., Ltd.
Verified Supplier
No. 169, Zhonghuan Road
Abrasion Resistance Blue Tci Drill Bit 15 1/2 Inch For Hard Gypsum , Marble
...~40 Weight on Bit(KN/MM) 0.5~1.2 Formation Hard formation with high compressive strength ,such as limestone,sandstone,dolomite,hard gypsum,marble,etc. Cutting Structure The wear-resistance of the teeth is...