Name: Solid Carbide Twist Drills Bits Extended Length Drilling Deep Holes In Steel
Brand: Grewin Brand
Price: 1 USD

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Solid Carbide Twist Drills Bits Extended Length Drilling Deep Holes In Steel

Brand Name:Grewin Brand

Certification:ISO9001:2015

Model Number:Carbide Drill

Minimum Order Quantity:10PCS

Delivery Time:5-8 work days

Payment Terms:T/T, Western Union

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Zhuzhou Grewin Tungsten Carbide Tools Co., Ltd

Active Member

Location: Zhuzhou Hunan China

Address: 1012-1 Mall, Huaren street, Tianyuan District, Zhuzhou City, Hunan province, China Zip code: 412000

Supplier`s last login times: within 44 hours

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Product Details

Solid Carbide Twist Drills Bits Extended Length Drill Sets Drilling Deep Holes In Steel

Carbide extended-length drill bits provide excellent hardness, wear resistance, and heat resistance. They are harder than high-speed steel or cobalt extended-length drill bits and require a rigid setup such as a fixed-spindle machine. Carbide extended-length drill bits create precise holes with a smooth finish and often eliminate the need for reaming the hole after drilling. These bits have longer flutes and more overall length than standard jobber-length drill bits of the same size, and they have longer shanks than taper-length drill bits. Their extra length allows them to create deep holes or access hard-to-reach areas.

Great for glass, Marble, Granite, Tile, Slate, Masonry, Metal, Stainless Steels, Plastic and Wood!
If you are drilling Glass run the drill between (300-600rpm)
Marble Tile & Slate (300-600rpm)
Concrete, Masonry Brick & Block (2,000-4,000rpm)
Granite Hammer mode (2,500rpm) non hammer (600rpm)
All Metals except Stainless (2,000-4,000rpm)
Soft Stainless Steels (600-1.800rpm)
Hard Stainless Steels (2,000rpm)
Plastics and Composite Fibers (300-600rpm)
Wood (1,200-1,800rpm)
Set includes: 1/8", 532", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32" & 1/2"
Wood Case included

In order to increase the carbide drill bit tool life, add coating to the surface of the drill bit,solid carbide coating refers to the use of chemical vapor deposition (CVD) and other methods to coat wear-resistant TiC or TiN, HfN, Al2O3 and other thin layers on the surface of solid carbide blades to form a surface coating of solid carbide.

Today we are introducing our standard universal drill bit.

Item

d
mm

L1
mm

L2
mm

L3
mm

D
mm

L4
mm

92	12.00	40	55	45	12	102
93	12.10	43	60	45	14	107
94	12.20	43	60	45	14	107
95	12.30	43	60	45	14	107
96	12.40	43	60	45	14	107
97	12.50	43	60	45	14	107
98	12.60	43	60	45	14	107
99	12.70	43	60	45	14	107
100	12.80	43	60	45	14	107
101	12.85	43	60	45	14	107
102	12.90	43	60	45	14	107
103	13.00	43	60	45	14	107
104	13.10	43	60	45	14	107
105	13.20	43	60	45	14	107
106	13.30	43	60	45	14	107
107	13.40	43	60	45	14	107
108	13.50	43	60	45	14	107
109	13.60	43	60	45	14	107
110	13.70	43	60	45	14	107
111	13.80	43	60	45	14	107
112	13.90	43	60	45	14	107
113	14.00	43	60	45	14	107
114	14.10	45	65	48	16	115
115	14.20	45	65	48	16	115
116	14.30	45	65	48	16	115
117	14.40	45	65	48	16	115
118	14.50	45	65	48	16	115
119	14.60	45	65	48	16	115
120	14.70	45	65	48	16	115
121	14.80	45	65	48	16	115
122	14.90	45	65	48	16	115
123	15.00	45	65	48	16	115
124	15.10	45	65	48	16	115
125	15.20	45	65	48	16	115
126	15.30	45	65	48	16	115
127	15.40	45	65	48	16	115
128	15.50	45	65	48	16	115
129	15.60	45	65	48	16	115
130	15.70	45	65	48	16	115
131	15.80	45	65	48	16	115
132	15.90	45	65	48	16	115
133	16.00	45	65	48	16	115
134	16.10	51	73	48	18	123
135	16.20	51	73	48	18	123
136	16.30	51	73	48	18	123
137	16.40	51	73	48	18	123
138	16.50	51	73	48	18	123
139	16.60	51	73	48	18	123
140	16.70	51	73	48	18	123
141	16.80	51	73	48	18	123
142	16.90	51	73	48	18	123
143	17.00	51	73	48	18	123
144	17.10	51	73	48	18	123
145	17.20	51	73	48	18	123
146	17.30	51	73	48	18	123
147	17.40	51	73	48	18	123
148	17.50	51	73	48	18	123
149	17.60	51	73	48	18	123
150	17.70	51	73	48	18	123
151	17.80	51	73	48	18	123
152	17.90	51	73	48	18	123
153	18.00	51	73	48	18	123
154	18.10	55	79	50	20	131
155	18.20	55	79	50	20	131
156	18.30	55	79	50	20	131
157	18.40	55	79	50	20	131
158	18.50	55	79	50	20	131
159	18.60	55	79	50	20	131
160	18.70	55	79	50	20	131
161	18.80	55	79	50	20	131
162	18.90	55	79	50	20	131
163	19.00	55	79	50	20	131
164	19.10	55	79	50	20	131
165	19.20	55	79	50	20	131
166	19.30	55	79	50	20	131
167	19.40	55	79	50	20	131
168	19.50	55	79	50	20	131
169	19.60	55	79	50	20	131
170	19.70	55	79	50	20	131
171	19.80	55	79	50	20	131
172	19.90	55	79	50	20	131
173	20.00	55	79	50	20	131