• Model NO.：k21
• Type：Three-Jaw Chuck
• Transport Package：Case
• Specification：made of high quality cast iron
• Trademark：Neutral or OEM
• Origin：China
• HS Code：84662000
• Production Capacity：5000PCS,Year

Basic Info.

Model NO. k21 Type Three-Jaw Chuck Transport Package Case Specification made of high quality cast iron Trademark Neutral or OEM Origin China HS Code 84662000 Production Capacity 5000PCS/Year

Product Description

Front Mount 3 Jaw Plain Back Self Centering Lathe Chuck
Plain back front mounting, widely used on  lathe machine.chucks dia.80--1000mm
K21 self-centering chucks are provided with one-piece jaws,including a set of internal jaw and a set of external jaw.
The jaws for K21…A,K21…C and K21…D chucks are composed of two pieces jaws--top jaw and master jaw.
Body materials are classfied as wear-resisiting alloy iron.
Plain back front  mounting(Short cylindrical connection)

size D	D1 concave dia.	D2 bolt circle	D3 through hole	H total height	h concave depth	z-d qty- bolt size
80	55	66	16	66	3.5	3-M6
100	72	84	22	74.5	3.5	3-M8
125	95	108	30	84	4	3-M8
160	130	142	40	96.5	4.5	3-M8
165	130	145	40	96.5	4.5	3-M8
200	165	180	65	109	5	3-M10
250	206	226	80	120	5	3-M12
315C	260	285	100	155	6	3-M16
320C	270	290	100	152.5	6	3-M16
325C	272	296	100	154.5	6	3-M16
380C	325	350	135	156.5	6	3-M16
400C	340	368	138	158	6	3-M16
500D	440	465	210	202	6	3-M16
630A	560	595	260	218	7	3-M16
800A	710	760	385	250	8	6-M20
1000A	910	950	460	266	8	6-M24

We also provide below products:
Company instructions:
Yantai Formore Machinery Co., Ltd. Located in a beautiful coastal city of Yantai, Shandong, China. We specializes in supplying Machine Accessories for more than ten years .We supply machine tools, such as NC turret, steady rest,dividing head, rotary table, machine vises, lathe chucks, magnetic chucks, live center,tools post ,drill chucks and so on .If you need our products please feel free to contact me. I will provide our the best service. 
           





RFQ:
Q: What can I get the price?
A: We usually quote within 2 hours after we get your inquiry. If you are very urgent to get the   price, please tell us in your email so that we will regard you inquiry priority.

Q: What is your term of delivery?
A: We accept EXW, FOB Qingdao  etc or CFR QINGDAO etc. You can choose the one which is the most convenient or cost effective for you.

Q: What about the lead time for the mass production?
A: Honestly, it depends on the order quantity and the season you place the order.

Q: Are you trading company or manufacturer ?
A: We are factory and trade company.

Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.