Hardness Testing Standard and special anvils PT05272 HRC 3-Block Master Calibration Kit A B C D E F G Penetrators - Contact Starrett for more information C A E 1/2" spot anvil - special order B D Extended 1/4" spot anvil - special order Test Blocks and Accessories for Hardness Testers Brinell Test Blocks Part No. EDP Description PT05257 67956 3000kg High Brinell Test Block PT05258 67957 3000kg Low Brinell Test Block PT05259 67958 500kg High Brinell Test Block PT05260 67959 500kg Low Brinell Test Block Master Calibration Kits Part No. EDP Description PT05272 67969 HRC 3-Block Master Calibration Kit PT05273 67970 HR30N 3-Block Master Calibration Kit PT05276 67971 HRB 3-Block Master Calibration Kit PT05277 67972 C&B Scale 20-Block Master Calibration Kit PT05278 67973 C&30N Scale 6-Block Master Calibration Kit Anvils and Table Letter Part No. EDP Description A PT05267 67964 Pedestal Anvil B PT05268 67965 2-1/2" Flat Anvil C PT05269 67966 Small "V" Anvil D PT05270 67967 Large "V" Anvil E PT05271 67968 8" Anvil Testing Table Penetrators Letter Part No. EDP Description E PT05245 67944 C Regular, No Thread E PT05246 67945 Indentron with Internal Thread G PT05247 67946 Versitron/New Age with External Thread E PT05248 67947 N Regular, No Thread D PT05249 67948 1/16" (1.6mm) Ball with Holder C PT05250 67949 1/8" (1.7mm) Ball Complete with Holder B PT05251 67950 1/4" (6.4mm) Ball Complete with Holder A PT05252 67951 1/2" (12.7mm) Ball Complete with Holder PT05253 67952 1/16" (1.6mm) Carbide Ball Only, with Certification PT05254 67953 1/8" (1.7mm) Carbide Ball, with Certification PT05255 67954 1/4" (6.4mm) Carbide Ball, with Certification PT05256 67955 1/2" (12.7mm) Carbide Ball, with Certification PT05261 67960 Heavy Load 5kg, 110RV5 Vickers Test Block F PT05264 67961 Heavy Load Indentor Vickers PT05265 67962 Min. Brinell 2 1/2mm Ball PT05266 67963 Min. Brinell Block 187 1/2kg, 2-1/2mm Ball 241 starrett.com G age A mps , H ardness and S urface T esters