McMaster-Carr拥有超过 570,000 种产品，可以说得上是全球最全的五金紧固件采购平台。美国McMaster-Carr Supply Company是世界上最大的高精密五金紧固件公司，在mcmaste-carr官网总可以找到你需要的各种紧固件，有句话广为流传“在mcmastercarr总可以找到你在亚马逊找不到的东西”。
MCMASTER-CARR涉及的行业主要有：航空领域、机械设备、军工领域、电子、汽车行业、医疗行业、食品领域、化工领域等等。小到零点几毫米的零件，大的数十米，甚至上百上千米的零件都可以在mcmaster-carr上购买的到。
深圳市北富联机电有限公司主营mcmaster-carr的各种产品，主要有mcmaster-carr密封圈、mcmaster-carr弹簧、mcmaster螺丝、mcmaster螺钉、mcmaster-carr内六角螺钉、外六角头螺钉、mcmaster销钉、自攻螺丝、机米螺丝、弹簧柱塞、吊环、轴肩螺丝、螺母、helical螺套、铆钉、垫圈垫片、轴承、mcmaster-carr标准紧固件。深圳市北富联机电有限公司提供mcmaster-carr官网的一系列五金紧固件、机械、电气、管道和公用设施硬件，深圳市北富联机电有限公司销售的MCMASTER-CARR产品价格美丽，交期快！最快可2-3周交货！
美国MCMASTER-CARR部分产品介绍：
1.mcmaster-carr各种材质、强度、螺纹大小、尺寸的内六角螺丝、mcmaster-carr内六角螺钉。Mcmaster内六角螺钉是使用最广泛的一种螺钉，由于内六角螺丝相比其他的螺钉具有更加紧固的作用，紧固效果很明显，再加上易于安装。而且耐腐蚀性，麦克马斯特官网上具有多种材质可以选择，可以满足在各种高端行业的应用。以下是mcmaster-carr官网上的部分mcmaster内六角螺钉产品的部分型号： 91251A059 91251A109 91251A747 91864A021 90044A252 91274A056 92562A119 92610A845 91670A542 90605A127 92579A101 92423A433 90346A111 95868A294 91221A214 97695A109 99477A460 98885A119 93465A334 98511A211 93615A410 92855A402 96970A127 90666A014 90357A117 91223A224 91223A448 90332A132 93705A624 90343A125 90074A109 98201A411 92235A509 96209A413 91205A110 90152A153 90117A188 Black-Oxide Alloy Steel Socket Head Screw 0-80 Thread Size, 3/8" Long 91864A003 Brass Socket Head Screw M3 x 0.50 mm Thread, 6 mm Long 90349A102 High-Strength 316 Stainless Steel Socket Head Screw 6-32 Thread Size, 3/8" Long 90346A115 High-Strength A286 Stainless Steel Socket Head Screw 10-32 Thread Size, 1/2" Long 92423A505 18-8 Stainless Steel Thread-Locking Socket Head Screw 8-32 Thread Size, 5/8" Long 93705A201 91864A003 Black-Oxide Alloy Steel Socket Head Screw 0-80 Thread Size, 3/8" Long ASTM A574 91864A006 91251A195 90044A241 18-8 Stainless Steel Thread-Locking Socket Head Screw M3 x 0.5 mm Thread, 4 mm Long 93705A862 93705A804 93705A845 92290A011 Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screw M3 x 0.5 mm Thread, 6 mm Long 92290A844 温馨提示：MCMASTER内六角螺钉我司均有销售，备有现货，详情请咨询深圳市北富联机电客服。
2.mcmaster-carr官网的各种螺丝螺钉、组合螺钉。shoulder screws, rounded head screws, hex head screw, flat head screws, set screw, tapping screw 分类：美制INCH、公制Metric
Mcmaster carr螺钉的材质主要有：不锈钢（18-8 stainless steel、316 stainless steel、A286 stainless steel、316 stainless steel）、钢steel、塑料plastic、titanium、铝aluminum 螺纹分类：全螺纹和部分螺纹两种 Mcmastercarr螺钉强度：低的可以很低，高的会超过100，000psi 头部类型：Asymmetrical、Drilled Spanner、Hex、JIS、One Way、Phillips、Slotted、Tamper-Resistant 、Hex、Tamper-Resistant Torx、Tonx 、Torx Plus、Tri-Groove、Wrench Flats
Mcmaster carr螺钉的材质主要有：不锈钢（18-8 stainless steel、316 stainless steel、A286 stainless steel、316 stainless steel）、钢steel、塑料plastic、titanium、铝aluminum 螺纹分类：全螺纹和部分螺纹两种 Mcmastercarr螺钉强度：低的可以很低，高的会超过100，000psi 头部类型：Asymmetrical、Drilled Spanner、Hex、JIS、One Way、Phillips、Slotted、Tamper-Resistant 、Hex、Tamper-Resistant Torx、Tonx 、Torx Plus、Tri-Groove、Wrench Flats
长度及螺纹大小：螺纹规格有小有大，各种尺寸都可购买，详情咨询北富联机电。
3.Mcmaster-carr密封件O RINGS
MCMASTER-CARR官网上的密封件种类很多，有各种密封圈、密封条、密封泡沫等。Oil-Resistant O-Rings Chemical-Resistant O-Rings Water- and Steam-Resistant O-Rings High-Vacuum Fluoroelastomer O-Rings High-Temperature O-Rings O-Ring Backup Rings Oil-Resistant O-Ring Cord Stock Chemical-Resistant O-Ring Cord Stock High-Temperature O-Ring Cord Stock Water- and Steam-Resistant O-Ring Cord Stock O-Ring Assortments Piston Seals Packing Seals Rotary Shaft Seals
Dual-Purpose Rod and Piston Seals Rod Seals Wear Rings 密封圈可减少物品之间的摩擦，使得更加紧固，而且mcmaster-carr密封圈抗腐蚀能力强，不容易老化。
9452K126 9452K127 9452K128 9452K129 9452K131 9452K132 9751K112 9751K113 9751K114 9751K115 90025K631 90025K632 4061T148 4061T149 4061T15 5308T251 5308T252 1174N505 1174N506 1174N507 1174N508 1174N509 1201T298 1163N105 11 63N106 1284N128 1284N129 1284N13 1284N131 1185N115 1185N116 9263K783 9263K784 9263K785 9555K27 1307N219 1307N22 1307N23 1176N76 1176N77 1176N78 1176N52 1201T291 1201T292 1201T293 1201T294 1169N43 1169N44 1320N89 1320N91 1108T122 3642N19 3642N21 1280N22 9568K656 9568K658 1163N139 9557K408 9557K409 9561K43 5233T293 5233T296 5233T297 1173N605 1173N606 1289N231 1289N232 5155N19 3356N15 1526N15 1526N16 9505K82 9505K83 1430K59 1187N16 96505K47 5229T57 1203N23 1193N13 3286T19 1209N7 9864K33 1995N32 9422K26 9441K12 94695K91 1199N19 1199N317 2122N21 1670N21 12945K54 9316K26 5154T306 5154T29
Oil-Resistant Soft Buna-N O-Rings 1/16 Fractional Width, Dash Number 019 2418T125 X-Profile Oil-Resistant Buna-N O-Ring 1/16 Fractional Width, Dash Number 019 0025K361
Square-Profile Oil-Resistant Buna-N O-Ring 1/16 Fractional Width, Dash Number 030 4061T135 Oil-Resistant Hard Buna-N O-Ring 1/16 Fractional Width, Dash Number 020 5308T129 Oil-Resistant Buna-N O-Ring 1/16 Fractional Width, Dash Number 049 9452K314
Clean Room Viton® Fluoroelastomer O-Ring Chemical-Resistant, High-Purity, Dash Number 021 1163N121
Chemical-Resistant Viton® Fluoroelastomer O-Ring Brown, 1/16 Fractional Width, Dash Number 021 5267T33
Soft Viton® Fluoroelastomer O-Ring Chemical-Resistant, 1/16 Fractional Width, Dash Number 016 1284N117
Chemical-Resistant Viton® Fluoroelastomer O-Ring 1/16 Fractional Width, Dash Number 018 9464K72
Clean Room Viton® Fluoroelastomer O-Ring Chemical-Resistant, High-Purity, Dash Number 011 1163N109
Metal Detector Grade Fluoroelastomer O-Ring Chemical-Resistant, 1/16 Fractional Width, Dash Number 018 1320N27
Ultra-Chemical-Resistant Aflas O-Ring 3/16 Fractional Width, Dash Number 330 5240T185
Ultra-Chemical-Resistant Kalrez 6230 O-Ring High-Purity, 3/32 Fractional Width, Dash Number 111 1285N38
Water- and Steam-Resistant EPDM O-Ring 1/8 Fractional Width, Dash Number 226 9557K76
High-Temperature High-Purity Silicone O-Ring 1/16 Fractional Width, Dash Number 012 9396K17
High-Temperature Silicone O-Ring 3 mm Wide, 12 mm ID 5233T768
High-Temperature Soft Silicone O-Ring 1/16 Fractional Width, Dash Number 015 1173N015
Water- and Steam-Resistant High-Temperature EPDM O-Ring 1/8 Fractional Width, Dash Number 217
Polyurethane Rubber Rod-Sealing Wiper Meets ISO 6195 Type C, for 2" Rod Diameter 1737N22
Polyurethane Rod Seal for 1-1/4" Rod Diameter, 1.250" ID x 1.500" OD x 0.188" Wide 1995N43
High-Speed Rotary Shaft Seal for 2" Shaft Diameter 2122N22
Spring-Loaded Rotary Shaft Seal for 3/4" Shaft Diameter and 1.375" Bore Diameter 5154T16
Spring-Loaded Rotary Shaft Seal with Wiper Lip for 1-1/4" Shaft Diameter and 1-3/4" Diameter x 0.262" Wide Bore 1199N69
密封件O RINGS材质主要是：Aluminum Aramid Fiber Aramid Fiber/PTFE Fiber Blend Carbon Fiber Copper ePTFE Fiber Fabric Foam Graphite Graphite Fiber Iron L eather Plastic PTFE Fiber Rubber Stainless Steel Steel Synthetic Fiber MCMASTER-CARR官网密封件O rings的标准：ASTM D2000, SAE AS568, SAE J200 3-A Certified 18-03, ASTM D2000, FDA Compliant 21 CFR 177.2600, ISO 10993, USP VI Certified, DIN 3760, ISO 6194 O RINGS颜色：黑色、白色、红色、蓝色、灰色、蓝色、橙色、绿色、黄色......
MCMASTER密封件尺寸：长度、宽度、厚度等都有，详情请咨询深圳市北富联机电有限公司13189729968
4.mcmaster-carr螺母NUTS
Mcmaster-carr官网的螺纹主要有：六角螺母、尼龙螺母、法兰螺母、拇指螺母、thumb螺母、长螺母、方形螺母、密封螺母、压铆螺母、一字圆槽螺母、焊接螺母、铆螺母、螺母适配器、面板螺母等。一般来说，螺母都会和螺丝搭配使用。 91835A490 91835A721 90818A101 90818A101 90818A102 95185A200 90591A154 97700A270 97700A270 95505A623 90593A010 94150A358 92233A212 94812A700 90381A109 96315A118 90730A512 95036A024 90565A345 90630A170 90630A216 97260A108 94645A310 93625A114 93625A120 94407A114 94627A150 91581A325 90633A006 90675A265 90328A101 96278A007 94820A470 97190A010 92092A027 94205A260 95856A245 94758A035 94758A035 99904A138 93298A125 90949A211 93033A211 1319N17 90104A006 93590A312 93020A791 91034A414 90264A117 93350A551 90866A130 98952A105 92700A215 93655A378 92319A883 95783A022 91125A433 92902A650 92001A349 91833A148 92088A154 99937A104 92741A110 91725A140 91339A135 90215A029 92066A111 95105A132 97467A724 93669A220 93484A302 90720A480 93482A711 94020A379 91115A203 91115A146 91298A290 98010A450 93322A422 91299A130 91299A130 93655A422 91197A350 93620A129 93620A757 90372A332
High-Strength Steel Nylon-Insert Locknut Grade 8, 1 1/2"-6 Thread Size, 2-25/64" Wide 90630A213
18-8 Stainless Steel Nylon-Insert Locknut 3/8"-16 Thread Size 91831A127
Low-Strength Steel Thin Nylon-Insert Locknut Zinc-Plated, 3/8"-24 Thread Size 90566A220
Steel Flex-Top Locknut for Heavy Vibration Cadmium-Plated, 5/8"-11 Thread Size 4820A252
High-Strength Steel Distorted-Thread Flange Locknut Black-Phosphate, 1/2"-13 Thread Size 90949A033
Zinc-Plated Steel Press-Fit Nut for Sheet Metal 8-32 Thread Size, for 0.09" Minimum Panel Thickness 95185A171
Zinc-Plated Steel Press-Fit Nut for Sheet Metal M5 x 0.8 Thread Size, for 1.4 mm Minimum Panel Thickness 95185A640
18-8 Stainless Steel Press-Fit Nut for Sheet Metal 10-24 Thread Size, for 0.056" Minimum Panel Thickness 96439A430
18-8 Stainless Steel Press-Fit Nut for Sheet Metal M3 x 0.50 Thread Size, for 1.40 mm Minimum Panel Thickness 96439A530
18-8 Stainless Steel Press-Fit Nut for Soft Metal and Plastic 6-32 Thread Size 94648A330
Medium-Strength Steel Hex Nut Grade 5, Zinc-Plated, 7/16"-20 Thread Size 95462A520
Zinc-Plated Steel Hex Nut Medium-Strength, Class 8, M30 x 3.5 mm Thread 90591A240
316 Stainless Steel Hex Nut Super-Corrosion-Resistant, M3 x 0.5 mm Thread 94150A325
Nylon Hex Nut 6-32 Thread Size 94812A300
18-8 Stainless Steel Thin Hex Nuts Black-Oxide, M3 x 0.50 mm Thread 96315A113
18-8 Stainless Steel Coupling Nut M33 x 3.5 mm Thread 93590A336
Zinc-Plated Steel Coupling Nut Low-Strength, 5/8"-11 Thread Size, 1-1/16" Wide 90264A231
Zinc-Plated Steel Wing Nut 7/16"-14 Thread Size 90866A150
18-8 Stainless Steel Knurled-Head Thumb Nut Black Oxide, 1/4"-20 Thread, 3/4" Collar Height, 1" Head Diameter 92088A156
18-8 Stainless Steel Knurled-Head Thumb Nut 10-24 Thread Size 91833A125
Alloy Steel Socket Nut 8-32 Thread Size 92066A009
316 Stainless Steel Male-Female Threaded Hex Standoff 1/4" Hex, 5/8" Long 91197A310
Male-Female Threaded Hex Standoff Aluminum, 1/2" Hex Size, 1-1/2" Long, 10-32 Thread Size 93505A189
Aluminum Male-Female Threaded Hex Standoff 10mm Hex, 20mm Long, M5 x 0.80 mm Thread 98952A423
Female Threaded Hex Standoff 18-8 Stainless Steel, 3/16" Hex, 15/32" Long, 4-40 Thread 91115A514
Male-Female Threaded Hex Standoff 18-8 Stainless Steel, 1/4" Hex, 9/32" Long, 6-32 to 6-32 Thread 91075A477
Male-Female Threaded Hex Standoff Zinc-Plated Brass, 1/4" Hex, 1-1/4" Long, 8-32 Thread 92700A457
mcmaster-carr螺母材质：铝、黄铜、青铜、碳纤维、陶瓷制品、铜、玻璃纤维、泡沫、铁、镍、塑料、橡皮、不锈钢、钢、钛、锌等材料。
Locking Type：Nylon Insert ，Serrations，Distorted，Lock Washer，Flex-Top，Cotter Pin ，Steel Insert，Spring-Stop,Two-Piece Clamp, Thread Locker.
MCMASTER螺母分类：公制螺母、美标螺母。
MCMASTER-CARR螺母种类繁多，麦克马斯特螺母尺寸也很多，强度也是具有多种可供选择，可以满足在不同行业上的使用需求，低至日常生活中，高至航空、军工等领域都可以用得到。材质也有各种各样的，具有很好的抗腐蚀性效果，可满足绝大多数的工业需求。
5.mcmaster-carr弹簧SPRINGS
弹簧在各类机械行业中应用很广泛，弹簧是利用弹簧的弹性来工作的机械零件，
Mcmaster carr弹簧类型：Compression Springs、Extension Springs、Torsion Springs、Disc Springs、Die Springs
9657K633 9434K31 8969T118 9435K35 8969T5 3492N39 3492N45 9001T42 9657K253 94125K612 94125K22
Compression Spring 0.25" Long, 0.180" OD, 0.152" ID 9657K604
Corrosion-Resistant Compression Springs 0.1" Long, 0.04" OD, 0.031" ID 1807N109
Corrosion-Resistant Precision Compression Springs 1.5" Long, 0.12" OD, 0.076" ID, 302 Stainless Steel 9002T415
Precision Compression Spring 0.563" Long, 0.24" OD, 0.196" ID 9001T19
5108N062 5108N 9535K31 1942N15 9271K701 9271K702 9271K268 7383N778 7383N789 9628K12 7383N83 7383N636 3114T67 4992N101 4992N103 7749N003 7749N004 4992N895
9432K48 9432K131 9432K151 7383N653 7383N664 7383N675 9432K164 3114T7 9432K65 7383N715 7383N727 7383N74 7383N75
302 Stainless Steel Torsion Spring 270 Degree Left-Hand Wound, 1.086" OD 9287K202
Torsion Spring 90 Degree Right-Hand Wound, 0.408" OD 9271K47 9271K658
Music Wire Steel Extension Spring with Hook Ends 0.25" Long, 0.063" OD, 0.011" Wire Diameter 7383N131
End Type: Closed and Ground Closed Loop Hook Open Straight Cut Elongated Hook Open and Ground Double Loop Straight Wire Swivel Hook Carabiner Plain Side Loop Straight Wire with Double Loop Deflection Angle: 90° 120° 180° 225° 270° 315° 360°
mcmaster-carr弹簧springs材质：Aluminum、Brass、Bronze、Cobalt-Nickel Alloy、lron、Nickel、Plastic、Polyester/Rubber、Blend、Rubber、Stainless Steel、Steel、Zinc
Mcmaster springs型号规格：mcmaster-carr产品规格，具体可咨询北富联机电。
6.Mcmaster-carr垫圈WASHER
Mcmastercarr垫圈的等级：Grade2、Grade8、Grade9、Grade8.8、Grade10.9等。
Tooth location style: External, Internal, Internal External
垫圈硬度：Durometer40A-Durometer75A, Brinell32-120, Durometer43D-83D, Rockwell B35-Rockwell B91, Rockwell C20-Rockwell C77, Rockwell M70-Rockwell M115, Rockwell R50-Rockwell R120
MCMASTER-CARR垫圈规格：垫圈的尺寸大小有多种多样、厚度也各不相同，具有多种选择。
7.Mcmaster-carr销钉PINS
销钉简介：mcmaster-carr销钉也叫做mcmaster-carr销子。销钉一般分为：圆柱销dowel pins（常规圆柱销、塑料圆柱销、超小圆柱销、超大尺寸圆柱销、）、圆锥销、圆头全槽定位销、全槽定位销、半槽定位销、带槽口的半槽定位销、（半）滚花定位销、U型销、可调节U型销、快速释放销、T型手柄销、强力固定快拆销、锁定快速释放销、开口销Cotter Pins、弹簧销（开槽弹簧销Slotted Spring Pins、抗震开槽弹簧销Vibration-Resistant Slotted Spring Pins、卷制弹簧销Coiled Spring Pins、重型卷制弹簧销Heavy Duty Coiled Spring Pins等）、固定销Captive Pins、定制别针销等。
销钉在日常生活中使用很广泛，在工业上使用特别多。通常用于精确限制零件位置和与固定坐标间的相互连接，一般用于配合两个零部件中使用。销钉还有另外一个重要功能，对于较易损坏件容易更换和安装。如果没有销钉，很难找出固定的位置，销钉在工业上占据着非常重要的作用。
以下是mcmaster-carr部分销钉的型号，更多可具体咨询深圳市北富联机电有限公司：
98381A417 97395A277 90145A130 98380A188 91595A141 97325A110 91585A129 93600A234 98380A134 93600A234 97155A319 91962A210 92078A219 98105A211 99010A334 98385A242 98912A560 98312A115 99585A500 91958A118 97175A332 97355A314 97360A160 98432A353 92330A411 98400A248 5430N116 98400A340 5429N114 98400A125 98108A270 97352A280 98400A366 98388A328 98388A314 98306A842 98340A150 98306A951 96969A150 96973A180 97245A156 94380A717 92390A158 92390A158 93131A420 90378A630 92056A193 98330A235 92735A219 93890A565 93460A020 95165A034 92384A536 92385A037 92851A415 98400A241 5430N124
Dowel Pin 4037, 4140 Alloy Steel, 1/4" Diameter, 2-1/4" Long 98381A551
Dowel Pin 4140 Alloy Steel, 7/16" Diameter, 1-5/8" Long 98381A700
18-8 Stainless Steel Dowel Pin 1/16" Diameter, 5/8" Long 90145A421
Dowel Pin 316 Stainless Steel, 1/16" Diameter, 1-1/8" Long 97395A265
316 Stainless Steel Dowel Pin 1.5mm Diameter, 12mm Long 93600A088
Undersized Dowel Pin 18-8 Stainless Steel, 3/16" Diameter, 5/8" Long 98105A061
Undersized Dowel Pin 18-8 Stainless Steel, 8 mm Diameter, 20 mm Long 97049A124
Pull-Out Dowel Pin Black-Oxide Alloy Steel, 5/16" Diameter, 1" Long 97175A718
12L13 Carbon Steel Full-Groove Dowel Pins Zinc-Plated, 3 mm Diameter, 12 mm Long 5429N119
Flat-Vent Pull-Out Dowel Pin 1050-1095 Spring Steel, 8 mm Diameter, 36 mm Long 98432A282
Pin for Shear Hubs 1/2" Diameter, 1-5/8" Long, 11/32" Groove Diameter 96985A360
1004-1045 Carbon Steel Clevis Pin 3/8" Diameter, 1" Usable Length 98306A271
18-8 Stainless Steel Precision Clevis Pin 1/8" Diameter, 9/16" Usable Length 90378A113
Clevis Pin with Retaining Ring Groove Zinc-Plated Steel, 6 mm Diameter, 18 mm Usable Length 92735A131
Headless Clevis Pin with Retaining Ring Groove Zinc-Plated 1215 Carbon Steel, 3/16" Diameter, 3/4" Usable Length 93890A552
Quarter-Groove Dowel Pins, 5/32" Diameter, 3/4" Long 98400A007
材质：18-8不锈钢、316不锈钢、416不锈钢、铝、铜、steel、镍、钛等。
mcmastercarr定位销尺寸规格：北富联机电可购买mcmastercarr销钉，由于规格型号尺寸较多，不便一一罗列，具体可咨询深圳市北富联机电有限公司。

McMaster-Carr是深圳市北富联机电有限公司的主营品牌，北富联机电凭借“快速交货，价格好”的优势，被越来越多的用户所选择。mcmaster-carr产品均是原装进口，mcmastercarr官网有DIN, AMSE, ASTM, JIS, ISO, Mil.Spec., CSA, FDA Compliant等标准。有低强度到高强度的各种高精密五金紧固件，如MCMASTER-CARR内六角螺钉、六角头螺钉、销钉、自攻螺丝、机米螺丝、弹簧柱塞、吊环、轴肩螺丝、螺母、螺套、铆钉、垫圈垫片、轴承、密封圈、弹簧标准紧固件等。